The document discusses the anatomy of the thorax as seen on MRI. It describes the various components of the thorax including the thoracic wall with its skeleton and joints, the thoracic cavities containing the mediastinum and pleural cavities, the neurovasculature including thoracic arteries and veins, and internal organs such as the heart, lungs, and trachea. The thoracic wall forms a protective cage around the thoracic contents. Within the wall are openings that connect the thorax superiorly to the neck and inferiorly to the abdomen.
X- Ray physics- X-Ray Tube, Transformer, Generator and Rectifiers by kajalsra...DrKajalLimbad
X-Ray physics including x-ray tube, transformer, generator, and rectifiers. physics made an easy
Note: this ppt has many animations that may not be appreciated over here. Request original ppt at kajalsradiology@gmail.com
SELDINGER TECHNIQUE & INTERVENTIONAL RADIOLOGYRiyas M K
its a basic introduction about Seldinger technique and Intervetional radiology.In interventional radiology, procedures generally start with the Seldinger technique to access the vasculature, using a needle through which a guidewire is inserted, followed by navigation of catheters within the vessels.
X- Ray physics- X-Ray Tube, Transformer, Generator and Rectifiers by kajalsra...DrKajalLimbad
X-Ray physics including x-ray tube, transformer, generator, and rectifiers. physics made an easy
Note: this ppt has many animations that may not be appreciated over here. Request original ppt at kajalsradiology@gmail.com
SELDINGER TECHNIQUE & INTERVENTIONAL RADIOLOGYRiyas M K
its a basic introduction about Seldinger technique and Intervetional radiology.In interventional radiology, procedures generally start with the Seldinger technique to access the vasculature, using a needle through which a guidewire is inserted, followed by navigation of catheters within the vessels.
Ultrasound Physics Made easy - By Dr Chandni WadhwaniChandni Wadhwani
History of ultrasound, Principle of Ultrasound.
Ultrasound wave and its interactions
Ultrasound machine and its parts, Image display, Artifacts and their clinical importance
what is Doppler ultrasound, Elastography and Recent advances in field of ultrasound.
Safety issues in ultrasound.
VERY BASICS OF CONTRAST MEDIA IN RADIOLOGY.
CLASSIFICATION OF CONTRAST MEDIA.
APPLICATION OF CONTRAST MEDIA.
XRAY, CT, ULTRASOUND AND MRI CONTRAST AGENTS.
In this pppt I have described surgical anatomy of chest wall, lungs and mediastinum. This will be useful to medical students, surgical residents and surgons
Ultrasound Physics Made easy - By Dr Chandni WadhwaniChandni Wadhwani
History of ultrasound, Principle of Ultrasound.
Ultrasound wave and its interactions
Ultrasound machine and its parts, Image display, Artifacts and their clinical importance
what is Doppler ultrasound, Elastography and Recent advances in field of ultrasound.
Safety issues in ultrasound.
VERY BASICS OF CONTRAST MEDIA IN RADIOLOGY.
CLASSIFICATION OF CONTRAST MEDIA.
APPLICATION OF CONTRAST MEDIA.
XRAY, CT, ULTRASOUND AND MRI CONTRAST AGENTS.
In this pppt I have described surgical anatomy of chest wall, lungs and mediastinum. This will be useful to medical students, surgical residents and surgons
Atomic structure refers to the organization and composition of atoms, which are the fundamental building blocks of matter. Atoms are incredibly small and consist of several subatomic particles, primarily protons, neutrons, and electrons. Understanding atomic structure is essential in the field of chemistry and forms the basis for our understanding of the physical and chemical properties of elements and compounds.
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Explore natural remedies for syphilis treatment in Singapore. Discover alternative therapies, herbal remedies, and lifestyle changes that may complement conventional treatments. Learn about holistic approaches to managing syphilis symptoms and supporting overall health.
Ethanol (CH3CH2OH), or beverage alcohol, is a two-carbon alcohol
that is rapidly distributed in the body and brain. Ethanol alters many
neurochemical systems and has rewarding and addictive properties. It
is the oldest recreational drug and likely contributes to more morbidity,
mortality, and public health costs than all illicit drugs combined. The
5th edition of the Diagnostic and Statistical Manual of Mental Disorders
(DSM-5) integrates alcohol abuse and alcohol dependence into a single
disorder called alcohol use disorder (AUD), with mild, moderate,
and severe subclassifications (American Psychiatric Association, 2013).
In the DSM-5, all types of substance abuse and dependence have been
combined into a single substance use disorder (SUD) on a continuum
from mild to severe. A diagnosis of AUD requires that at least two of
the 11 DSM-5 behaviors be present within a 12-month period (mild
AUD: 2–3 criteria; moderate AUD: 4–5 criteria; severe AUD: 6–11 criteria).
The four main behavioral effects of AUD are impaired control over
drinking, negative social consequences, risky use, and altered physiological
effects (tolerance, withdrawal). This chapter presents an overview
of the prevalence and harmful consequences of AUD in the U.S.,
the systemic nature of the disease, neurocircuitry and stages of AUD,
comorbidities, fetal alcohol spectrum disorders, genetic risk factors, and
pharmacotherapies for AUD.
These lecture slides, by Dr Sidra Arshad, offer a quick overview of physiological basis of a normal electrocardiogram.
Learning objectives:
1. Define an electrocardiogram (ECG) and electrocardiography
2. Describe how dipoles generated by the heart produce the waveforms of the ECG
3. Describe the components of a normal electrocardiogram of a typical bipolar leads (limb II)
4. Differentiate between intervals and segments
5. Enlist some common indications for obtaining an ECG
Study Resources:
1. Chapter 11, Guyton and Hall Textbook of Medical Physiology, 14th edition
2. Chapter 9, Human Physiology - From Cells to Systems, Lauralee Sherwood, 9th edition
3. Chapter 29, Ganong’s Review of Medical Physiology, 26th edition
4. Electrocardiogram, StatPearls - https://www.ncbi.nlm.nih.gov/books/NBK549803/
5. ECG in Medical Practice by ABM Abdullah, 4th edition
6. ECG Basics, http://www.nataliescasebook.com/tag/e-c-g-basics
Report Back from SGO 2024: What’s the Latest in Cervical Cancer?bkling
Are you curious about what’s new in cervical cancer research or unsure what the findings mean? Join Dr. Emily Ko, a gynecologic oncologist at Penn Medicine, to learn about the latest updates from the Society of Gynecologic Oncology (SGO) 2024 Annual Meeting on Women’s Cancer. Dr. Ko will discuss what the research presented at the conference means for you and answer your questions about the new developments.
TEST BANK for Operations Management, 14th Edition by William J. Stevenson, Ve...kevinkariuki227
TEST BANK for Operations Management, 14th Edition by William J. Stevenson, Verified Chapters 1 - 19, Complete Newest Version.pdf
TEST BANK for Operations Management, 14th Edition by William J. Stevenson, Verified Chapters 1 - 19, Complete Newest Version.pdf
New Directions in Targeted Therapeutic Approaches for Older Adults With Mantl...i3 Health
i3 Health is pleased to make the speaker slides from this activity available for use as a non-accredited self-study or teaching resource.
This slide deck presented by Dr. Kami Maddocks, Professor-Clinical in the Division of Hematology and
Associate Division Director for Ambulatory Operations
The Ohio State University Comprehensive Cancer Center, will provide insight into new directions in targeted therapeutic approaches for older adults with mantle cell lymphoma.
STATEMENT OF NEED
Mantle cell lymphoma (MCL) is a rare, aggressive B-cell non-Hodgkin lymphoma (NHL) accounting for 5% to 7% of all lymphomas. Its prognosis ranges from indolent disease that does not require treatment for years to very aggressive disease, which is associated with poor survival (Silkenstedt et al, 2021). Typically, MCL is diagnosed at advanced stage and in older patients who cannot tolerate intensive therapy (NCCN, 2022). Although recent advances have slightly increased remission rates, recurrence and relapse remain very common, leading to a median overall survival between 3 and 6 years (LLS, 2021). Though there are several effective options, progress is still needed towards establishing an accepted frontline approach for MCL (Castellino et al, 2022). Treatment selection and management of MCL are complicated by the heterogeneity of prognosis, advanced age and comorbidities of patients, and lack of an established standard approach for treatment, making it vital that clinicians be familiar with the latest research and advances in this area. In this activity chaired by Michael Wang, MD, Professor in the Department of Lymphoma & Myeloma at MD Anderson Cancer Center, expert faculty will discuss prognostic factors informing treatment, the promising results of recent trials in new therapeutic approaches, and the implications of treatment resistance in therapeutic selection for MCL.
Target Audience
Hematology/oncology fellows, attending faculty, and other health care professionals involved in the treatment of patients with mantle cell lymphoma (MCL).
Learning Objectives
1.) Identify clinical and biological prognostic factors that can guide treatment decision making for older adults with MCL
2.) Evaluate emerging data on targeted therapeutic approaches for treatment-naive and relapsed/refractory MCL and their applicability to older adults
3.) Assess mechanisms of resistance to targeted therapies for MCL and their implications for treatment selection
MANAGEMENT OF ATRIOVENTRICULAR CONDUCTION BLOCK.pdfJim Jacob Roy
Cardiac conduction defects can occur due to various causes.
Atrioventricular conduction blocks ( AV blocks ) are classified into 3 types.
This document describes the acute management of AV block.
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Title: Sense of Smell
Presenter: Dr. Faiza, Assistant Professor of Physiology
Qualifications:
MBBS (Best Graduate, AIMC Lahore)
FCPS Physiology
ICMT, CHPE, DHPE (STMU)
MPH (GC University, Faisalabad)
MBA (Virtual University of Pakistan)
Learning Objectives:
Describe the primary categories of smells and the concept of odor blindness.
Explain the structure and location of the olfactory membrane and mucosa, including the types and roles of cells involved in olfaction.
Describe the pathway and mechanisms of olfactory signal transmission from the olfactory receptors to the brain.
Illustrate the biochemical cascade triggered by odorant binding to olfactory receptors, including the role of G-proteins and second messengers in generating an action potential.
Identify different types of olfactory disorders such as anosmia, hyposmia, hyperosmia, and dysosmia, including their potential causes.
Key Topics:
Olfactory Genes:
3% of the human genome accounts for olfactory genes.
400 genes for odorant receptors.
Olfactory Membrane:
Located in the superior part of the nasal cavity.
Medially: Folds downward along the superior septum.
Laterally: Folds over the superior turbinate and upper surface of the middle turbinate.
Total surface area: 5-10 square centimeters.
Olfactory Mucosa:
Olfactory Cells: Bipolar nerve cells derived from the CNS (100 million), with 4-25 olfactory cilia per cell.
Sustentacular Cells: Produce mucus and maintain ionic and molecular environment.
Basal Cells: Replace worn-out olfactory cells with an average lifespan of 1-2 months.
Bowman’s Gland: Secretes mucus.
Stimulation of Olfactory Cells:
Odorant dissolves in mucus and attaches to receptors on olfactory cilia.
Involves a cascade effect through G-proteins and second messengers, leading to depolarization and action potential generation in the olfactory nerve.
Quality of a Good Odorant:
Small (3-20 Carbon atoms), volatile, water-soluble, and lipid-soluble.
Facilitated by odorant-binding proteins in mucus.
Membrane Potential and Action Potential:
Resting membrane potential: -55mV.
Action potential frequency in the olfactory nerve increases with odorant strength.
Adaptation Towards the Sense of Smell:
Rapid adaptation within the first second, with further slow adaptation.
Psychological adaptation greater than receptor adaptation, involving feedback inhibition from the central nervous system.
Primary Sensations of Smell:
Camphoraceous, Musky, Floral, Pepperminty, Ethereal, Pungent, Putrid.
Odor Detection Threshold:
Examples: Hydrogen sulfide (0.0005 ppm), Methyl-mercaptan (0.002 ppm).
Some toxic substances are odorless at lethal concentrations.
Characteristics of Smell:
Odor blindness for single substances due to lack of appropriate receptor protein.
Behavioral and emotional influences of smell.
Transmission of Olfactory Signals:
From olfactory cells to glomeruli in the olfactory bulb, involving lateral inhibition.
Primitive, less old, and new olfactory systems with different path
How to Give Better Lectures: Some Tips for Doctors
Mri anatomy of thorax
1. MRI ANATOMY OF THORAX
MAAJID MOHI UD DIN MALIK
LECTURER COPMS ADESH UNIVERSITY
BATHINDA PUNJAB
MAAJIDMALIKOFFICIAL@GMAIL.COM
2. INTRODUCTION
The chest, properly called the thorax, is the superior part of
the trunk located between the neck and abdomen. It consists
of several components:
Thoracic wall
Several cavities
Neurovasculature and lymphatics
Internal organs
Breasts
MAAJIDMALIKOFFICIAL@GMAIL.COM
5. THORACICCAVITY
The mediastinum is located centrally and bordered by
two pleural cavities laterally.
The mediastinum consists of superior and inferior mediastinal
cavities.
The inferior mediastinal cavity is
comprised of anterior, middle and posterior compartments.
MAAJIDMALIKOFFICIAL@GMAIL.COM
6. NEUROVASCULATURE
Arterial: the three largest thoracic arteries (brachiocephalic trunk, left common
carotid artery, left subclavian artery) originate from the thoracic aorta
Venous: the major thoracic veins (superior vena cava, azygos venous system,
accessory hemiazygos vein, pulmonary veins, esophageal veins, internal thoracic
veins, cardiac veins, and superior intercostal veins) drain into the superior vena
cava
Nerves: esophageal, cardiac, and thoracic aortic nervous plexuses
MAAJIDMALIKOFFICIAL@GMAIL.COM
8. THORACICWALL
The first step in understanding thorax anatomy is to find out
its boundaries. The thoracic, or chest wall, consists of
a skeletal framework, fascia, muscles, and Neurovasculature –
all connected together to form a strong and protective yet
flexible cage.
MAAJIDMALIKOFFICIAL@GMAIL.COM
9. CONTINUE
The thorax has two major openings: the superior thoracic
aperture found superiorly and the inferior thoracic aperture located
inferiorly. The superior thoracic aperture opens towards the neck. It is
bounded by the bones of the upper thorax; manubrium of sternum, the
first pair of ribs, and the body of the vertebra T1. The inferior thoracic
aperture is almost completely covered by the diaphragm, separating it
from the abdominal cavity.
MAAJIDMALIKOFFICIAL@GMAIL.COM
