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Dr. Faiza delivers an insightful lecture on the distinguishing characteristics of skeletal, smooth, and cardiac muscles, offering a comprehensive understanding of their histology, physiological anatomy, electrophysiological properties, and contractile mechanisms. Through meticulous tabulation and comparison, she aims to equip learners with a detailed comprehension of the unique features and functionalities of each muscle type. Beginning with a detailed exploration of histological differences, Dr. Faiza outlines key distinctions such as multinucleation in skeletal muscle, mononucleation in smooth and cardiac muscles, and the presence of striations in skeletal and cardiac muscles. She meticulously elucidates the structural arrangement of each muscle type, highlighting their cellular morphology and organization within tissues. Transitioning to physiological anatomy, Dr. Faiza navigates through various aspects including innervation, level of control, initiation of contraction, and modification by hormones. By delineating the role of the somatic nervous system in skeletal muscle control, and contrasting it with the autonomic nervous system's influence on smooth and cardiac muscles, she offers a nuanced understanding of neural regulation in muscle physiology. Furthermore, Dr. Faiza delves into electrophysiological properties, elucidating the mechanisms underlying action potential generation, duration, and ionic basis in each muscle type. Through insightful analysis, she reveals how differences in action potential characteristics contribute to variations in muscle contraction speed, duration, and resistance to fatigue. Finally, Dr. Faiza meticulously examines the contractile mechanisms of skeletal, smooth, and cardiac muscles, shedding light on the sliding filament theory, mechanisms of calcium action, and speed of contraction. By comprehensively comparing these mechanisms, she provides learners with a deep understanding of the intricate processes governing muscle contraction and function. Through engaging presentation and meticulous analysis, Dr. Faiza's lecture serves as a valuable resource for students seeking a thorough understanding of the fundamental differences between skeletal, smooth, and cardiac muscles.

Difference Between Skeletal Smooth and Cardiac Muscles

MedicoseAcademics

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In this lecture on circulatory shock, Dr. Faiza, an Assistant Professor of Physiology, delves into the profound implications of inadequate blood flow throughout the body, leading to tissue damage. The session begins by defining circulatory shock and elucidating its physiological causes, including decreased cardiac output, diminished blood volume, decreased vascular tone, obstruction to blood flow, excess metabolic rate, and abnormal perfusion patterns. Dr. Faiza categorizes shock into various types, such as cardiogenic shock, hypovolemic shock, neurogenic shock, obstructive shock, anaphylactic shock, and septic shock, and explores the pathophysiological basis of each. Furthermore, the lecture examines the stages of shock, from the non-progressive phase where compensatory mechanisms aim for full recovery to the progressive phase where shock worsens steadily without intervention, potentially leading to irreversible damage. Dr. Faiza discusses therapeutic interventions for shock, including replacement therapy, blood and plasma transfusion, sympathomimetic drugs, and other adjunctive treatments like head-down positioning, oxygen therapy, and glucocorticoids.

Circulatory Shock, types and stages, compensatory mechanisms

MedicoseAcademics

Anticipatory grief is the emotional experience when there is an impending loss that will occur. Often, people associate loss and grief with death, this is just one area in which grief and loss can occur. Anticipatory grief is often a slower grieving process marked by intermittent, small or large losses. In the world of cancer, anticipatory grief may show up in a variety of ways, such as before a major surgery, losing hair from chemotherapy treatment or caring for a loved one with advanced cancer. Learn about anticipatory grief and ways to cope with it. We will also explore methods to heal from this challenging experience.

Part I - Anticipatory Grief: Experiencing grief before the loss has happened

bkling

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Rhesus (Rh) incompatibility is a crucial topic in the realm of pregnancy and childbirth. This condition arises when a pregnant woman, who is Rh-negative, carries a fetus with Rh-positive blood, causing a potential mismatch that can lead to serious complications. Understanding the mechanisms and implications of Rh incompatibility is paramount for healthcare providers and expecting parents alike. Let's delve into this intricate interplay between blood types, antibodies, and pregnancy, to grasp the significance of Rh incompatibility and its management.

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Region orinoquia

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