This document discusses the veins of the lower limb. It begins by describing the anatomy and classifications of veins in general. It then focuses on the specific veins of the lower limb, including the superficial greater and small saphenous veins and deep femoral, profunda femoris, popliteal, peroneal, anterior tibial, and posterior tibial veins. The document concludes by discussing deep vein thrombosis (DVT), its causes, symptoms, diagnosis, and treatments including anticoagulation and compression stockings.
venous drainage of the upper limb, median vein of forearm, deep veins, basilic vein, cephalic vein, median cubital vein, superficial vein, dorsal venous arch,
The arterial supply to the upper limb is delivered via five main vessels (proximal to distal):
Subclavian artery
Axillary artery
Brachial artery
Radial artery
Ulnar artery
In this article, we shall look at the anatomy of the arteries of the upper limb – their anatomical course, branches and clinical correlations.
venous drainage of the upper limb, median vein of forearm, deep veins, basilic vein, cephalic vein, median cubital vein, superficial vein, dorsal venous arch,
The arterial supply to the upper limb is delivered via five main vessels (proximal to distal):
Subclavian artery
Axillary artery
Brachial artery
Radial artery
Ulnar artery
In this article, we shall look at the anatomy of the arteries of the upper limb – their anatomical course, branches and clinical correlations.
Cardiac Surgery
Internal thoracic ( mammary ) artery
ORIGIN and Course Of IMA
BRANCHES
Thymic Artery
The Xiphoid branch
The sternal branches
The Pericardiacophrenic branch
Anterior intercostal branches
Perforating branches
Musculophrenic artery
Superior Epigastric Artery
Clinical significance
Cardiac Surgery
Internal thoracic ( mammary ) artery
ORIGIN and Course Of IMA
BRANCHES
Thymic Artery
The Xiphoid branch
The sternal branches
The Pericardiacophrenic branch
Anterior intercostal branches
Perforating branches
Musculophrenic artery
Superior Epigastric Artery
Clinical significance
Arteries are blood vessels that carry blood away from the heart. This blood is normally oxygenated, exceptions made for the pulmonary and umbilical arteries
The presentation that will unable to create a clear cut concept regarding the Vessels the vascular system of the human body. It will let you know about the arteries, veins, capillaries how the exchange of nutrients and other substance takes place..and many more things related to the vessels of the body.
whom that have sx of swelling leg, painful when walking and raise up leg, redness of leg skin, have history of accident or long journey u are suspected had deep vein thrombosis.
The azygos vein connects the inferior vena cava and the superior vena cava
The thoracic duct is the largest lymph vessel that ultimately drains lymph from all parts of the body into the blood circulation
We shall look at them one at a time
Deep vein thrombosis is a blood clotting disorder. causes of this is age above 60 yrs. cancer , obesity, prolonged standing etc. diagnostic evaluation of this doppler study, CT, MRI, etc. medical management of this blood thinner, like aspirin, stockings etc
The blood vessels of the lower limb include arteries and veins that supply and return blood from the various regions of the leg and foot.
Understanding the anatomy of these vessels is important for medical professionals performing procedures such as vascular surgery, venipuncture, or assessing blood flow to the lower limb.
Proper blood circulation is crucial for maintaining the health and function of the lower extremity.
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.
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.
Title: Sense of Taste
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 structure and function of taste buds.
Describe the relationship between the taste threshold and taste index of common substances.
Explain the chemical basis and signal transduction of taste perception for each type of primary taste sensation.
Recognize different abnormalities of taste perception and their causes.
Key Topics:
Significance of Taste Sensation:
Differentiation between pleasant and harmful food
Influence on behavior
Selection of food based on metabolic needs
Receptors of Taste:
Taste buds on the tongue
Influence of sense of smell, texture of food, and pain stimulation (e.g., by pepper)
Primary and Secondary Taste Sensations:
Primary taste sensations: Sweet, Sour, Salty, Bitter, Umami
Chemical basis and signal transduction mechanisms for each taste
Taste Threshold and Index:
Taste threshold values for Sweet (sucrose), Salty (NaCl), Sour (HCl), and Bitter (Quinine)
Taste index relationship: Inversely proportional to taste threshold
Taste Blindness:
Inability to taste certain substances, particularly thiourea compounds
Example: Phenylthiocarbamide
Structure and Function of Taste Buds:
Composition: Epithelial cells, Sustentacular/Supporting cells, Taste cells, Basal cells
Features: Taste pores, Taste hairs/microvilli, and Taste nerve fibers
Location of Taste Buds:
Found in papillae of the tongue (Fungiform, Circumvallate, Foliate)
Also present on the palate, tonsillar pillars, epiglottis, and proximal esophagus
Mechanism of Taste Stimulation:
Interaction of taste substances with receptors on microvilli
Signal transduction pathways for Umami, Sweet, Bitter, Sour, and Salty tastes
Taste Sensitivity and Adaptation:
Decrease in sensitivity with age
Rapid adaptation of taste sensation
Role of Saliva in Taste:
Dissolution of tastants to reach receptors
Washing away the stimulus
Taste Preferences and Aversions:
Mechanisms behind taste preference and aversion
Influence of receptors and neural pathways
Impact of Sensory Nerve Damage:
Degeneration of taste buds if the sensory nerve fiber is cut
Abnormalities of Taste Detection:
Conditions: Ageusia, Hypogeusia, Dysgeusia (parageusia)
Causes: Nerve damage, neurological disorders, infections, poor oral hygiene, adverse drug effects, deficiencies, aging, tobacco use, altered neurotransmitter levels
Neurotransmitters and Taste Threshold:
Effects of serotonin (5-HT) and norepinephrine (NE) on taste sensitivity
Supertasters:
25% of the population with heightened sensitivity to taste, especially bitterness
Increased number of fungiform papillae
These simplified slides by Dr. Sidra Arshad present an overview of the non-respiratory functions of the respiratory tract.
Learning objectives:
1. Enlist the non-respiratory functions of the respiratory tract
2. Briefly explain how these functions are carried out
3. Discuss the significance of dead space
4. Differentiate between minute ventilation and alveolar ventilation
5. Describe the cough and sneeze reflexes
Study Resources:
1. Chapter 39, Guyton and Hall Textbook of Medical Physiology, 14th edition
2. Chapter 34, Ganong’s Review of Medical Physiology, 26th edition
3. Chapter 17, Human Physiology by Lauralee Sherwood, 9th edition
4. Non-respiratory functions of the lungs https://academic.oup.com/bjaed/article/13/3/98/278874
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Tom Selleck Health: A Comprehensive Look at the Iconic Actor’s Wellness Journeygreendigital
Tom Selleck, an enduring figure in Hollywood. has captivated audiences for decades with his rugged charm, iconic moustache. and memorable roles in television and film. From his breakout role as Thomas Magnum in Magnum P.I. to his current portrayal of Frank Reagan in Blue Bloods. Selleck's career has spanned over 50 years. But beyond his professional achievements. fans have often been curious about Tom Selleck Health. especially as he has aged in the public eye.
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Introduction
Many have been interested in Tom Selleck health. not only because of his enduring presence on screen but also because of the challenges. and lifestyle choices he has faced and made over the years. This article delves into the various aspects of Tom Selleck health. exploring his fitness regimen, diet, mental health. and the challenges he has encountered as he ages. We'll look at how he maintains his well-being. the health issues he has faced, and his approach to ageing .
Early Life and Career
Childhood and Athletic Beginnings
Tom Selleck was born on January 29, 1945, in Detroit, Michigan, and grew up in Sherman Oaks, California. From an early age, he was involved in sports, particularly basketball. which played a significant role in his physical development. His athletic pursuits continued into college. where he attended the University of Southern California (USC) on a basketball scholarship. This early involvement in sports laid a strong foundation for his physical health and disciplined lifestyle.
Transition to Acting
Selleck's transition from an athlete to an actor came with its physical demands. His first significant role in "Magnum P.I." required him to perform various stunts and maintain a fit appearance. This role, which he played from 1980 to 1988. necessitated a rigorous fitness routine to meet the show's demands. setting the stage for his long-term commitment to health and wellness.
Fitness Regimen
Workout Routine
Tom Selleck health and fitness regimen has evolved. adapting to his changing roles and age. During his "Magnum, P.I." days. Selleck's workouts were intense and focused on building and maintaining muscle mass. His routine included weightlifting, cardiovascular exercises. and specific training for the stunts he performed on the show.
Selleck adjusted his fitness routine as he aged to suit his body's needs. Today, his workouts focus on maintaining flexibility, strength, and cardiovascular health. He incorporates low-impact exercises such as swimming, walking, and light weightlifting. This balanced approach helps him stay fit without putting undue strain on his joints and muscles.
Importance of Flexibility and Mobility
In recent years, Selleck has emphasized the importance of flexibility and mobility in his fitness regimen. Understanding the natural decline in muscle mass and joint flexibility with age. he includes stretching and yoga in his routine. These practices help prevent injuries, improve posture, and maintain mobilit
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.
Pulmonary Thromboembolism - etilogy, types, medical- Surgical and nursing man...VarunMahajani
Disruption of blood supply to lung alveoli due to blockage of one or more pulmonary blood vessels is called as Pulmonary thromboembolism. In this presentation we will discuss its causes, types and its management in depth.
Acute scrotum is a general term referring to an emergency condition affecting the contents or the wall of the scrotum.
There are a number of conditions that present acutely, predominantly with pain and/or swelling
A careful and detailed history and examination, and in some cases, investigations allow differentiation between these diagnoses. A prompt diagnosis is essential as the patient may require urgent surgical intervention
Testicular torsion refers to twisting of the spermatic cord, causing ischaemia of the testicle.
Testicular torsion results from inadequate fixation of the testis to the tunica vaginalis producing ischemia from reduced arterial inflow and venous outflow obstruction.
The prevalence of testicular torsion in adult patients hospitalized with acute scrotal pain is approximately 25 to 50 percent
Couples presenting to the infertility clinic- Do they really have infertility...Sujoy Dasgupta
Dr Sujoy Dasgupta presented the study on "Couples presenting to the infertility clinic- Do they really have infertility? – The unexplored stories of non-consummation" in the 13th Congress of the Asia Pacific Initiative on Reproduction (ASPIRE 2024) at Manila on 24 May, 2024.
ARTIFICIAL INTELLIGENCE IN HEALTHCARE.pdfAnujkumaranit
Artificial intelligence (AI) refers to the simulation of human intelligence processes by machines, especially computer systems. It encompasses tasks such as learning, reasoning, problem-solving, perception, and language understanding. AI technologies are revolutionizing various fields, from healthcare to finance, by enabling machines to perform tasks that typically require human intelligence.
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
2. Veins
In the circulatory system, veins are blood
vessels that carry blood toward the heart.
Most veins carry deoxygenated blood from the
tissues back to the heart; exceptions are
the pulmonary and umbilical veins.
Veins differ from arteries in structure and function;
for example, arteries are more muscular than
veins, veins are often closer to the skin and
contain valves to help keep blood flowing toward
the heart, while arteries carry blood away from
the heart.
3. Anatomy:
• The thick outermost layer of a
vein is made of connective
tissue, called tunica
adventitia or tunica externa.
• There is a middle thin layer of
bands of smooth
muscle called tunica media.
• The interior is lined
with endothelial
cells called tunica intima.
4. Classification
• Superficial veins are those whose course is close to
the surface of the body, and have no corresponding
arteries.
• Deep veins are deeper in the body and have
corresponding arteries.
• Communicating veins (or perforator veins) are veins
that directly connect superficial veins to deep veins.
Eg:-Giacomini vein.
• Pulmonary veins are a set of veins that deliver
oxygenated blood from the lungs to the heart.
• Systemic veins drain the tissues of the body and
deliver deoxygenated blood to the heart.
6. Femoral Vein
• The femoral vein is a blood
vessel that accompanies
the femoral artery in
the femoral sheath.
• It begins at the adductor
canal (also known as Hunter's
canal) and is a continuation of
the popliteal vein.
• It ends at the inferior margin
of the inguinal ligament,
where it becomes the external
iliac vein.
Drainage
Several large veins drain into the
femoral vein:
• Popliteal vein
• Profunda femoris vein
• Great saphenous vein
Femoral
Vein
7. Profunda femoris vein
• Profunda femoris
vein (or deep femoral vein)
is a large deep vein in
the thigh.
• It receives blood from the
inner thigh and proceeds
superiorly and medially
running alongside the
profunda femoris artery to
join with the femoral vein
approximately at the level of
the inferior-most portion of
the ischial tuberosity.
Femoral
vein
8. Popliteal vein
• The popliteal vein is located behind
the knee. Its course runs alongside
the popliteal artery, but carries the
blood from the knee joint and
muscles in the thigh and calf back to
the heart.
• Its origin is defined by the junction of
the posterior tibial vein and anterior
tibial vein.
• It drains the peroneal vein before
reaching the knee joint and turns into
the femoral vein when leaving
the adductor canal.
• The popliteal artery extends from
the femoral artery behind
the popliteal fossa which is the space
behind the knee.
9. Peroneal Vein
• The fibular veins (also known as
the peroneal veins).
• The fibular veins are deep
veins that help carry blood from
the lateral compartment of the
leg.
• They drain into the posterior tibial
veins, which will in turn drain into
the popliteal vein.
• The fibular veins accompany
the fibular artery.
10. Anterior tibial vein
• The anterior tibial vein of
the lower limb carries
blood from the anterior
compartment of the
leg to the popliteal
vein which is formed
when it joins with
the posterior tibial vein.
• The anterior tibial vein is
accompanied by an
anterior tibial artery.
Anterior
Tibial Vein
11. Posterior Tibial vein
• The posterior tibial
vein of the lower
limb carries blood from
the posterior
compartment and plantar
surface of the foot to
the popliteal vein which it
forms when it joins with
the anterior tibial vein.
• The posterior tibial vein is
accompanied by posterior
tibial artery.
Posterior
Tibial Vein
12. Clinical Case:Deep Vein Thrombosis
• DVT is the formation of a blood
clot in a deep vein,
predominantly in the legs.
• DVT usually occurs in a deep leg
vein, a larger vein that runs
through the muscles of the thigh.
It can cause pain and swelling in
the leg and may lead to
complications such as pulmonary
embolism.
• DVT and pulmonary embolism
together are known as venous
thromboembolism (VTE).
13.
14. Signs and Symptoms
Common signs and symptoms of DVT include
pain, swelling, warmth, redness or discoloration,
and distention of surface veins, although about
half of those with the condition have no
symptoms.
Symptoms are more often due to other causes,
such as cellulitis, Baker's cyst, musculoskeletal
injury, or lymphedema.
Other differential diagnoses include hematoma
and connective tissue disorders.
The leg is usually painful, cyanosed (blue from
lack of oxygen) and edematous (filled with fluid),
which may result in venous gangrene.
15. Causes
• Anyone can develop it but it becomes more
common with age. As well as age, risk
factors include:
1. Previous venous thromboembolism.
2. A family history of thrombosis
3. Medical conditions such as cancer and
heart failure
4. Inactivity (for example, after an operation)
5. Being overweight or obese.
• In upper-extremity DVT, the most important
risk factor is having a central venous
catheter, and thoracic outlet syndrome also
increases risk.
17. Prevention and Treatment
• There are several things you can do to prevent
DVT occurring, such as stopping smoking, losing
weight if you are overweight and walking
regularly to improve the circulation in your legs
• Walking and calf exercises reduce venous stasis
because leg muscle contractions compress the
veins and pump blood up towards the heart.
• Anticoagulation, which prevents further
coagulation but does not act on existing clots, is
the standard treatment for DVT.
18. • Two different types of anticoagulants are
used to treat DVT:
• (a)Heparin and (b)Warfarin.
• Compression stockings help prevent calf
pain and swelling and lower the risk of ulcers
developing after having a DVT.
• As well as wearing compression stockings,
you might be advised to raise your leg
whenever you are resting. This helps to
relieve the pressure in the veins of the calf
and stops blood and fluid pooling in the calf
itself.
• Aside from anticoagulation, the anti-platelet
drug aspirin might be used in some
orthopedic surgery patients.