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Mri Pulse Seqs
Steady-state free precession (SSFP) is a unique MRI sequence that uses both spin echo and gradient echo techniques. In SSFP, gradient echoes are acquired in each repetition time (TR) while maintaining coherence between excitations using balanced gradients. This results in a signal dependent on T1 and T2 properties. SSFP provides high signal-to-noise ratio and is used for cardiac imaging, flow imaging, T1/T2 mapping, and whole body imaging, but is sensitive to field inhomogeneities. Sensitivity encoding (SENSE) uses knowledge of multiple receiver coils' spatial sensitivities to unfold aliased signals and reduce scan time.
Mc donald criteria
This document summarizes the revisions made to the McDonald criteria for diagnosing multiple sclerosis over time. The 2017 revisions aimed to simplify and clarify the 2010 criteria to facilitate earlier diagnosis when MS is likely but not definitively diagnosed. Key changes include allowing symptomatic and asymptomatic lesions to demonstrate dissemination in space and time, and cortical/juxtacortical lesions to fulfill MRI criteria. CSF oligoclonal bands alone can now establish a diagnosis. The revisions were motivated by new data on diagnostic accuracy in diverse populations and distinguishing MS from similar conditions.
Class 1 f_mri_intro
The document provides an introduction to functional magnetic resonance imaging (fMRI). It discusses how fMRI works by detecting changes in blood oxygenation, which serves as an indirect measure of neural activity. The basics of MRI are also reviewed, including how MRI uses strong magnetic fields and radio waves to generate images based on magnetic properties of tissue. Example fMRI studies measuring brain activity in response to visual stimuli are presented.
Introduction to Neuroimaging
This slide includes various neuroimaging methods. Firstly, brief backgrounds of positron emission tomography (PET), diffusion tensor MRI, voxel-based morphometry will be introduced. Secondly, a theoretical explanation of BOLD fMRI and preprocessing will be introduced.
http://skyeong.net
Presentation1, artifact and pitfalls of the knee, hip and ankle joints.
The document summarizes common artifacts and pitfalls seen on MRI of the knee, hip, and ankle joints that can be mistaken for pathology but are actually normal anatomical variants or imaging findings. Some examples provided include meniscofemoral ligaments in the knee that can mimic meniscal tears, transverse ligaments that can appear to disrupt the meniscus, and popliteal tendon sheaths that can resemble lesions. For the hip, examples given are synovial pits, os acetabuli, the transverse acetabular ligament, perilabral recesses, and intraosseous contrast tracks in the acetabulum. Proper identification requires knowledge of anatomy and correlation across imaging planes.
Advance fMRI (Fast fMRI)
Fast Functional Magnetic Resonance Imaging (fast fMRI): uses MRI to measure nerve or brain activity directly
Uses MRI to detect the electromagnetic field that is generated by ionic currents (action potential)
Mri brain anatomy Dr Muhammad Bin Zulfiqar
Anatomy of Brain by MRI
In this presentation we will discuss the cross sectional anatomy of brain. Then we will discuss the Most common diseases to be evaluated by brain imaging.
In my opinion this presentation is a road map for beginars.
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This EEG report describes various types of muscle artifacts that can appear on an EEG. A 47-year-old male presented with a severe headache and was found to have a subarachnoid hemorrhage. The EEG showed chewing artifact and generalized slow activity. The report then discusses different types of muscle artifacts including those from the lateral rectus, frontalis, temporalis muscles and from swallowing, sniffling, palatal myoclonus, facial myokemia and tremors. Methods to reduce artifacts by relaxing muscles or changing electrode positions are also described.
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Mri Pulse Seqs
Steady-state free precession (SSFP) is a unique MRI sequence that uses both spin echo and gradient echo techniques. In SSFP, gradient echoes are acquired in each repetition time (TR) while maintaining coherence between excitations using balanced gradients. This results in a signal dependent on T1 and T2 properties. SSFP provides high signal-to-noise ratio and is used for cardiac imaging, flow imaging, T1/T2 mapping, and whole body imaging, but is sensitive to field inhomogeneities. Sensitivity encoding (SENSE) uses knowledge of multiple receiver coils' spatial sensitivities to unfold aliased signals and reduce scan time.
Mc donald criteria
This document summarizes the revisions made to the McDonald criteria for diagnosing multiple sclerosis over time. The 2017 revisions aimed to simplify and clarify the 2010 criteria to facilitate earlier diagnosis when MS is likely but not definitively diagnosed. Key changes include allowing symptomatic and asymptomatic lesions to demonstrate dissemination in space and time, and cortical/juxtacortical lesions to fulfill MRI criteria. CSF oligoclonal bands alone can now establish a diagnosis. The revisions were motivated by new data on diagnostic accuracy in diverse populations and distinguishing MS from similar conditions.
Class 1 f_mri_intro
The document provides an introduction to functional magnetic resonance imaging (fMRI). It discusses how fMRI works by detecting changes in blood oxygenation, which serves as an indirect measure of neural activity. The basics of MRI are also reviewed, including how MRI uses strong magnetic fields and radio waves to generate images based on magnetic properties of tissue. Example fMRI studies measuring brain activity in response to visual stimuli are presented.
Introduction to Neuroimaging
This slide includes various neuroimaging methods. Firstly, brief backgrounds of positron emission tomography (PET), diffusion tensor MRI, voxel-based morphometry will be introduced. Secondly, a theoretical explanation of BOLD fMRI and preprocessing will be introduced.
http://skyeong.net
Presentation1, artifact and pitfalls of the knee, hip and ankle joints.
The document summarizes common artifacts and pitfalls seen on MRI of the knee, hip, and ankle joints that can be mistaken for pathology but are actually normal anatomical variants or imaging findings. Some examples provided include meniscofemoral ligaments in the knee that can mimic meniscal tears, transverse ligaments that can appear to disrupt the meniscus, and popliteal tendon sheaths that can resemble lesions. For the hip, examples given are synovial pits, os acetabuli, the transverse acetabular ligament, perilabral recesses, and intraosseous contrast tracks in the acetabulum. Proper identification requires knowledge of anatomy and correlation across imaging planes.
Advance fMRI (Fast fMRI)
Fast Functional Magnetic Resonance Imaging (fast fMRI): uses MRI to measure nerve or brain activity directly
Uses MRI to detect the electromagnetic field that is generated by ionic currents (action potential)
Mri brain anatomy Dr Muhammad Bin Zulfiqar
Anatomy of Brain by MRI
In this presentation we will discuss the cross sectional anatomy of brain. Then we will discuss the Most common diseases to be evaluated by brain imaging.
In my opinion this presentation is a road map for beginars.
EMG artifact presentation
This EEG report describes various types of muscle artifacts that can appear on an EEG. A 47-year-old male presented with a severe headache and was found to have a subarachnoid hemorrhage. The EEG showed chewing artifact and generalized slow activity. The report then discusses different types of muscle artifacts including those from the lateral rectus, frontalis, temporalis muscles and from swallowing, sniffling, palatal myoclonus, facial myokemia and tremors. Methods to reduce artifacts by relaxing muscles or changing electrode positions are also described.
MRS INTRODUCTION
This document discusses the use of magnetic resonance spectroscopy (MRS) to analyze brain metabolites. It describes how MRS can detect specific metabolites and changes in their concentrations that indicate different disease states. Key points covered include:
- MRS can detect metabolites like NAA, creatine, choline, myo-inositol, and lactate.
- Different concentrations and ratios of these metabolites provide information about conditions like tumors, strokes, infections, demyelinating diseases, and epilepsy.
- MRS is useful for characterizing lesions, determining tumor grade, and evaluating treatment response.
- Specific metabolite patterns can help distinguish conditions like brain tumors from abscesses.
Presentation1.pptx, perfusiona and specroscopy imaging in brain tumour.
The document discusses the use of perfusion MRI and MR spectroscopy in evaluating brain tumors. It states that perfusion MRI can help estimate tumor grade, guide biopsy to aggressive portions, and better delineate tumor margins compared to conventional MRI. MR spectroscopy can detect metabolic alterations to help characterize tumors and differentiate them from other conditions like abscesses. Together, perfusion MRI and MR spectroscopy provide physiological and metabolic information complementary to anatomical MRI for diagnosing and monitoring brain tumors.
Presentation1.pptx, radiological anatomy of the brain and pituitary gland
The document summarizes the normal radiological anatomy of the brain and pituitary gland as seen on computed tomography (CT) and magnetic resonance imaging (MRI). It describes the overall structure of the brain, including the cerebrum, cerebellum, brainstem, and four ventricles. It details the anatomy of the lateral, third, and fourth ventricles. It then outlines the major lobes and gyri of the cerebral hemispheres, including important motor and sensory areas. The document concludes by reviewing sectional anatomy as seen on axial CT and MRI scans.
Lower limb radiology
This document provides information about radiological imaging and age determination of the lower limb. It lists various x-ray views of the hip, femur, knee, patella, ankle and foot. It then details the appearance and fusion times of ossification centers in the iliac crest, triradiate cartilage, head and greater trochanter of the femur, and various bones in the lower leg, ankle and foot that are used to determine a person's age from their skeleton.
Acute stroke imaging and intervention-dr. n khandelwal
This document summarizes evidence from 27 trials involving over 10,000 participants on the safety and efficacy of clot-dissolving drugs (thrombolytics) such as alteplase for treating acute ischemic stroke. The trials compared thrombolytics administered intravenously or intra-arterially within 4.5 hours of stroke onset to placebo or no treatment. Thrombolytics were found to improve outcomes after stroke but also increase the risk of serious bleeding in the brain. While thrombolytics can restore blood flow and reduce brain damage if given promptly, the risks and benefits were shown to depend on the time since stroke onset.
Principle of MRI Physics. Shafiee
MRI uses strong magnetic fields and radio waves to generate images of the inside of the body. Protons in the body align with the magnetic field, and radio waves can excite the protons to change their alignment. The protons then emit radio signals as they relax back to equilibrium, and these signals are used to form an image. Different tissues have varying relaxation times for protons to return to alignment after excitation, allowing contrast between types of soft tissues to be seen in MRI scans. Safety precautions are needed around MRI machines due to the strong magnetic fields.
Presentation1, musculoskeletal anatomy.
This document provides an overview of musculoskeletal MRI anatomy of the knee, ankle, hip, elbow and shoulder joints. It describes the imaging planes used to study each joint and surrounding structures like ligaments, tendons, muscles and neurovascular elements. Key anatomic landmarks of the joints are identified on MRI in different planes. Normal appearances of tissues like cartilage, bone and synovial fluid are also outlined.
Magnetic Resonance Angiography and Venography
Introduction to MR Angiography and Venography Procedure of Brain . Includes Indication, MRI protocol, planning and anatomy as well as brief intoduction to physics behind MRA and MRV principle.
FACTORS AFFECTING THE SIGNAL-TO-NOISE RATIO.pptx
FACTORS AFFECTING THE SIGNAL TO NOISE RATIO ARE DESCRIBED IN DETAILIN THIS PPT. CONTENT TAKEN FROM MUTIPLE BOOKS AND GENERALS.
71-Dr Ahmed Esawy imaging oral board of MRI hip joint part I
71-Dr Ahmed Esawy imaging oral board of MRI hip joint part I
Clicking hip
Labral tears
Osteoid osteoma
Avascular necrosis
Transient bone marrow oedema
Synovial proliferative disorder
Osteoarthritis
Bursitis
Osteoarthritis
Occult fracture
congenital hip dislocation
congenital hip dysplasia
CTV and MRV
Superficial brain structures are drained by cortical veins and the superior sagittal sinus. Central brain structures drain into the deep venous system including the internal cerebral veins, vein of Galen, and straight sinus. The veins of Labbé and transverse sinuses drain the posterior temporal and inferior parietal lobes. MR venography and CT venography can assess the cerebral venous system, with each technique having advantages and disadvantages.
Brain vascular anatomy with MRA and MRI correlation
This document provides an overview of the vascular anatomy of the brain. It discusses the arterial supply, venous drainage, and dural venous sinuses of the brain. For arterial supply, it describes the anterior and posterior circulations, including the internal carotid, vertebral, basilar, anterior cerebral, middle cerebral, and posterior cerebral arteries. It also discusses branches and territories of these vessels. For venous drainage, it outlines the internal cerebral veins and external cerebral veins, as well as dural venous sinuses such as the superior sagittal sinus. Watershed zones and vascular territories on cross sections are also depicted.
MRI LSS
This document discusses MRI examinations of the spine. It aims to understand the basics of spinal MRI, identify normal spinal anatomy on images, and recognize common degenerative lesions. It provides information on tissue contrast on T1- and T2-weighted MRI sequences. It also describes the normal anatomy and common pathologies that can be seen in the lumbar and sacral spine region, including discs, bones, joints, and ligaments.
magnetic resonance angiography
1. Magnetic resonance angiography (MRA) is a non-invasive imaging technique that uses magnetic resonance imaging to visualize blood vessels and evaluate vascular anatomy and blood flow without using ionizing radiation or iodinated contrast material.
2. There are different MRA techniques including time-of-flight MRA, phase contrast MRA, and contrast-enhanced MRA. Time-of-flight MRA relies on differences in flowing and stationary blood signal while phase contrast MRA assesses velocity and direction of flow. Contrast-enhanced MRA uses gadolinium contrast to improve vessel depiction.
3. MRA has various clinical applications for evaluating carotid and intracranial arterial stenosis, aneurysms,
Bilateral basal ganglia abnormalities - MRI
This document provides a differential diagnosis for bilateral abnormalities seen on imaging of the basal ganglia and thalamus. It reviews the anatomy of these structures and then describes various pathologies that can cause bilateral involvement, including toxic poisoning, liver disease, hypoglycemia, hypoxic ischemic encephalopathy, Leigh disease, Wilson disease, osmotic myelinolysis, and others. For each pathology, the causes, clinical features, and imaging findings such as location and appearance on MRI are summarized.
Neuro signs
This document provides descriptions and images related to various neuroimaging signs seen in neuroradiology. It discusses signs seen in conditions such as multiple sclerosis, CADASIL, ischemic and hemorrhagic strokes, infections like abscesses, tumors, and other pathologies. Specific signs described include the boomerang sign, butterfly medulla sign, onion rings sign, trident sign, and others. Imaging features of various diseases and abnormalities are also outlined.
Diffusion weighted imaging
This document discusses diffusion weighted imaging (DWI) and its application in evaluating brain pathologies. It provides details on how DWI works using diffusion gradients and endogenous contrast from water motion. Areas of restricted diffusion like cytotoxic edema appear brighter on DWI. DWI is highly sensitive for detecting acute ischemia within minutes. It is useful for distinguishing acute from subacute lesions based on apparent diffusion coefficient (ADC) maps. DWI also has applications in evaluating other conditions like abscesses, tumors, infections and injuries.
Gradient echo pulse sequence and its application
Gradient echo pulse sequences use gradient coils to alter the magnetic field strength along different axes within the MRI scanner. There are three main gradient coils that can selectively modify the field in the x, y, and z directions. Gradient echo sequences like FLASH, SPGR, and FFE are used to generate T1-weighted images and can be applied as breath-hold 3D scans for dynamic studies. Balanced steady-state free precession sequences like TRUFISP, FIESTA, and b-FFE have very high signal-to-noise ratio and are used for cardiac, fetal, and bowel imaging but lack spatial resolution.
Presentation1.pptx, radiological vascular anatomy of the upper and lower limbs.
The document describes the arterial and venous anatomy of the upper and lower limbs. It begins by outlining the arterial supply to the upper limb, starting from the subclavian artery and its branches. It then discusses the arteries of the forearm, hand, and veins of the upper limb. For the lower limb, it discusses the femoral artery and its branches that supply the thigh as well as the arteries of the leg. It includes diagrams to illustrate the key structures and their relationships. CT, MR, and conventional angiography images are also provided to demonstrate the vascular anatomy.
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Instruction for a speaking project carried out by students in 3er ESO in Institut Sòl de Riu, Alcanar
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MRS INTRODUCTION
This document discusses the use of magnetic resonance spectroscopy (MRS) to analyze brain metabolites. It describes how MRS can detect specific metabolites and changes in their concentrations that indicate different disease states. Key points covered include:
- MRS can detect metabolites like NAA, creatine, choline, myo-inositol, and lactate.
- Different concentrations and ratios of these metabolites provide information about conditions like tumors, strokes, infections, demyelinating diseases, and epilepsy.
- MRS is useful for characterizing lesions, determining tumor grade, and evaluating treatment response.
- Specific metabolite patterns can help distinguish conditions like brain tumors from abscesses.
Presentation1.pptx, perfusiona and specroscopy imaging in brain tumour.
The document discusses the use of perfusion MRI and MR spectroscopy in evaluating brain tumors. It states that perfusion MRI can help estimate tumor grade, guide biopsy to aggressive portions, and better delineate tumor margins compared to conventional MRI. MR spectroscopy can detect metabolic alterations to help characterize tumors and differentiate them from other conditions like abscesses. Together, perfusion MRI and MR spectroscopy provide physiological and metabolic information complementary to anatomical MRI for diagnosing and monitoring brain tumors.
Presentation1.pptx, radiological anatomy of the brain and pituitary gland
The document summarizes the normal radiological anatomy of the brain and pituitary gland as seen on computed tomography (CT) and magnetic resonance imaging (MRI). It describes the overall structure of the brain, including the cerebrum, cerebellum, brainstem, and four ventricles. It details the anatomy of the lateral, third, and fourth ventricles. It then outlines the major lobes and gyri of the cerebral hemispheres, including important motor and sensory areas. The document concludes by reviewing sectional anatomy as seen on axial CT and MRI scans.
Lower limb radiology
This document provides information about radiological imaging and age determination of the lower limb. It lists various x-ray views of the hip, femur, knee, patella, ankle and foot. It then details the appearance and fusion times of ossification centers in the iliac crest, triradiate cartilage, head and greater trochanter of the femur, and various bones in the lower leg, ankle and foot that are used to determine a person's age from their skeleton.
Acute stroke imaging and intervention-dr. n khandelwal
This document summarizes evidence from 27 trials involving over 10,000 participants on the safety and efficacy of clot-dissolving drugs (thrombolytics) such as alteplase for treating acute ischemic stroke. The trials compared thrombolytics administered intravenously or intra-arterially within 4.5 hours of stroke onset to placebo or no treatment. Thrombolytics were found to improve outcomes after stroke but also increase the risk of serious bleeding in the brain. While thrombolytics can restore blood flow and reduce brain damage if given promptly, the risks and benefits were shown to depend on the time since stroke onset.
Principle of MRI Physics. Shafiee
MRI uses strong magnetic fields and radio waves to generate images of the inside of the body. Protons in the body align with the magnetic field, and radio waves can excite the protons to change their alignment. The protons then emit radio signals as they relax back to equilibrium, and these signals are used to form an image. Different tissues have varying relaxation times for protons to return to alignment after excitation, allowing contrast between types of soft tissues to be seen in MRI scans. Safety precautions are needed around MRI machines due to the strong magnetic fields.
Presentation1, musculoskeletal anatomy.
This document provides an overview of musculoskeletal MRI anatomy of the knee, ankle, hip, elbow and shoulder joints. It describes the imaging planes used to study each joint and surrounding structures like ligaments, tendons, muscles and neurovascular elements. Key anatomic landmarks of the joints are identified on MRI in different planes. Normal appearances of tissues like cartilage, bone and synovial fluid are also outlined.
Magnetic Resonance Angiography and Venography
Introduction to MR Angiography and Venography Procedure of Brain . Includes Indication, MRI protocol, planning and anatomy as well as brief intoduction to physics behind MRA and MRV principle.
FACTORS AFFECTING THE SIGNAL-TO-NOISE RATIO.pptx
FACTORS AFFECTING THE SIGNAL TO NOISE RATIO ARE DESCRIBED IN DETAILIN THIS PPT. CONTENT TAKEN FROM MUTIPLE BOOKS AND GENERALS.
71-Dr Ahmed Esawy imaging oral board of MRI hip joint part I
71-Dr Ahmed Esawy imaging oral board of MRI hip joint part I
Clicking hip
Labral tears
Osteoid osteoma
Avascular necrosis
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Osteoarthritis
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congenital hip dysplasia
CTV and MRV
Superficial brain structures are drained by cortical veins and the superior sagittal sinus. Central brain structures drain into the deep venous system including the internal cerebral veins, vein of Galen, and straight sinus. The veins of Labbé and transverse sinuses drain the posterior temporal and inferior parietal lobes. MR venography and CT venography can assess the cerebral venous system, with each technique having advantages and disadvantages.
Brain vascular anatomy with MRA and MRI correlation
This document provides an overview of the vascular anatomy of the brain. It discusses the arterial supply, venous drainage, and dural venous sinuses of the brain. For arterial supply, it describes the anterior and posterior circulations, including the internal carotid, vertebral, basilar, anterior cerebral, middle cerebral, and posterior cerebral arteries. It also discusses branches and territories of these vessels. For venous drainage, it outlines the internal cerebral veins and external cerebral veins, as well as dural venous sinuses such as the superior sagittal sinus. Watershed zones and vascular territories on cross sections are also depicted.
MRI LSS
This document discusses MRI examinations of the spine. It aims to understand the basics of spinal MRI, identify normal spinal anatomy on images, and recognize common degenerative lesions. It provides information on tissue contrast on T1- and T2-weighted MRI sequences. It also describes the normal anatomy and common pathologies that can be seen in the lumbar and sacral spine region, including discs, bones, joints, and ligaments.
magnetic resonance angiography
1. Magnetic resonance angiography (MRA) is a non-invasive imaging technique that uses magnetic resonance imaging to visualize blood vessels and evaluate vascular anatomy and blood flow without using ionizing radiation or iodinated contrast material.
2. There are different MRA techniques including time-of-flight MRA, phase contrast MRA, and contrast-enhanced MRA. Time-of-flight MRA relies on differences in flowing and stationary blood signal while phase contrast MRA assesses velocity and direction of flow. Contrast-enhanced MRA uses gadolinium contrast to improve vessel depiction.
3. MRA has various clinical applications for evaluating carotid and intracranial arterial stenosis, aneurysms,
Bilateral basal ganglia abnormalities - MRI
This document provides a differential diagnosis for bilateral abnormalities seen on imaging of the basal ganglia and thalamus. It reviews the anatomy of these structures and then describes various pathologies that can cause bilateral involvement, including toxic poisoning, liver disease, hypoglycemia, hypoxic ischemic encephalopathy, Leigh disease, Wilson disease, osmotic myelinolysis, and others. For each pathology, the causes, clinical features, and imaging findings such as location and appearance on MRI are summarized.
Neuro signs
This document provides descriptions and images related to various neuroimaging signs seen in neuroradiology. It discusses signs seen in conditions such as multiple sclerosis, CADASIL, ischemic and hemorrhagic strokes, infections like abscesses, tumors, and other pathologies. Specific signs described include the boomerang sign, butterfly medulla sign, onion rings sign, trident sign, and others. Imaging features of various diseases and abnormalities are also outlined.
Diffusion weighted imaging
This document discusses diffusion weighted imaging (DWI) and its application in evaluating brain pathologies. It provides details on how DWI works using diffusion gradients and endogenous contrast from water motion. Areas of restricted diffusion like cytotoxic edema appear brighter on DWI. DWI is highly sensitive for detecting acute ischemia within minutes. It is useful for distinguishing acute from subacute lesions based on apparent diffusion coefficient (ADC) maps. DWI also has applications in evaluating other conditions like abscesses, tumors, infections and injuries.
Gradient echo pulse sequence and its application
Gradient echo pulse sequences use gradient coils to alter the magnetic field strength along different axes within the MRI scanner. There are three main gradient coils that can selectively modify the field in the x, y, and z directions. Gradient echo sequences like FLASH, SPGR, and FFE are used to generate T1-weighted images and can be applied as breath-hold 3D scans for dynamic studies. Balanced steady-state free precession sequences like TRUFISP, FIESTA, and b-FFE have very high signal-to-noise ratio and are used for cardiac, fetal, and bowel imaging but lack spatial resolution.
Presentation1.pptx, radiological vascular anatomy of the upper and lower limbs.
The document describes the arterial and venous anatomy of the upper and lower limbs. It begins by outlining the arterial supply to the upper limb, starting from the subclavian artery and its branches. It then discusses the arteries of the forearm, hand, and veins of the upper limb. For the lower limb, it discusses the femoral artery and its branches that supply the thigh as well as the arteries of the leg. It includes diagrams to illustrate the key structures and their relationships. CT, MR, and conventional angiography images are also provided to demonstrate the vascular anatomy.
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Presentation1.pptx, perfusiona and specroscopy imaging in brain tumour.
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71-Dr Ahmed Esawy imaging oral board of MRI hip joint part I
71-Dr Ahmed Esawy imaging oral board of MRI hip joint part I
Brain vascular anatomy with MRA and MRI correlation
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Presentation1.pptx, radiological vascular anatomy of the upper and lower limbs.
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Recoltarea sangelui pentru vhs
- 1. RECOLTAREA SANGELUI PENTRU VHS, EFECTUAREA TEHNICII RECOLTAREA SÂNGELUI PENTRU V.S.H. Asistenta medicala pregateste materialele necesare: -seringa de 2ml de unica folosinta; -ace sterile de unica folosinta; -solutie de Citrat de Na 3,8%; 22738xle71oiz9p -periuta musama, eprubete, tavite renale, garou, vata, alcool 70o. Se pregateste pacientul psihic, explicandu-i cu 24h inainte necesitatea efectuarii examinarii. Se pregateste pacientul fizic. Se anunta sa nu manance si sa pastreze repaos fizic. EFECTUAREA TEHNICII li738x2271oiiz -asistenta medicala se spala pe maini cu apa si sapun; -imbraca manusile sterile; -aspira in seringa 0,4ml Citrat de Na 3,8%; -aplica garoul pacientului pentru a pune in evidenta vena; -punctioneazǎ vena si desface garoul; -aspira sange pana la 2ml (1,6ml); -retrage acul si aplica un tampon cu alcool; -scurge amestecul sange-citrat in eprubeta si omogenizeaza lent; -aseaza eprubeta in stativ; -ingrijeste pacientul dupa punctie; -pregateste produsul pentru laborator, completand buletinul;
- 2. -eticheteaza produsul si-l trimite la laborotor; -reorganizeaza locul de munca. RECOLTAREA SÂNGELUI PENTRU H.L.G.+F.L.+I. Recoltarea se face prin punctie nervoasa strict 2ml de sange pe cristale E.D.T.A.(acid-etilen-diamino-tetraacetic 1%) 0,5ml. RECOLTAREA SÂNGELUI Pentru: -uree: 5-10ml sange pv; -creatina: 5-10ml sange pv; -aci uric: 5-10ml sange pv; -glicemie: 2ml sg/florura Na 4mg pv; -fibrinogen: 0,5ml Citrat de Na 3,8%+ 4,5ml sange pv. RECOLTAREA CU VACUTAINER Eprubete cu dop MOV Se recolteazǎ HLG +F+T. Contine autocoagulant (E.D.T.A.) Eprubete cu dop NEGRU Se recolteazǎ V.S.H. Contine coagulant (citrat de Na 3,8%) Eprubete cu dop ROSU Nu contine anticoagulant
- 3. Se recolteazǎ analie de bio-chimie (ex: uree, creatinina, acid uric) Eprubete cu dop BLEU Se recolteazǎ Fibrinogene. Contine anticoagulant (citrat de Na 3,8%). Eprubete cu dop GRI Se recolteazǎ Glicemie. Contine anticoagulant (florura de Na).