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TEST BANK For Huether and McCance's Understanding Pathophysiology, Canadian 2...

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Overview: Join Dr. Faiza in this in-depth lecture on cardiac impulse and the rhythmical excitation of the heart. This presentation covers the intricate pathways and mechanisms that ensure the efficient conduction of electrical impulses through the heart, leading to coordinated myocardial contractions. Attendees will gain a comprehensive understanding of the normal sequence of cardiac depolarization, the specialized conductive pathways, and the ionic basis of pacemaker potentials. Learning Objectives: Trace the normal sequence of cardiac depolarization via specialized conductive pathways and cardiac myocytes. Illustrate the velocity of conduction of cardiac impulses through these pathways. Draw and label a typical pacemaker action potential. Describe the ionic basis of various phases of the pacemaker potential. Key Topics: Generation of Impulse: Mechanisms of rhythmical excitation in the heart. Conduction of Impulse: How impulses are transmitted and why atrial syncytium contracts ahead of ventricular syncytium. Specialized Excitatory & Conductive System: Detailed examination of the SA node, AV node, bundle branches, and Purkinje fibers. SA Nodal Action Potential: Phases of pacemaker potential, ionic movements, and self-excitation mechanisms. Transmission Pathways: Role of anterior and posterior fascicles, internodal, and interatrial pathways. Clinical Significance: Implications of delayed conduction and conditions like Stokes-Adams syndrome and ectopic pacemakers. Target Audience: This lecture is tailored for medical students, physiology scholars, healthcare professionals, and anyone interested in cardiac physiology and the mechanisms of cardiac impulse conduction. It is particularly beneficial for those preparing for exams or seeking to enhance their clinical knowledge in Applied physiology of cardiovascular system and internal medicine.

Cardiac Impulse: Rhythmical Excitation and Conduction in the Heart

MedicoseAcademics

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Factors Affecting child behavior in Pediatric Dentistry

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Muscle Energy Technique (MET) with variant and techniques.

Anjali Parmar

World Hypertension Day 17th may 2024 ppt

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Learning Objectives: Contrast the neural and local control of circulations through special regions. Compare the physiological significance of variation in circulations through special regions. Content Overview: This lecture provides a comprehensive exploration of circulation in specialized regions of the body, including coronary, cerebral, splanchnic, cutaneous, fetal, skeletal muscle, and pulmonary circulations. The physiological and anatomical considerations, regulation mechanisms, and unique features of each type of circulation are discussed. Key concepts such as autoregulation, local metabolic factors, and neural influences are covered in detail. Key Topics: Coronary Circulation: Anatomy and physiology of coronary blood supply. Phasic changes in blood flow during systole and diastole. Regulation by autonomic nervous system and local metabolic factors (hypoxia, adenosine). Cerebral Circulation: Control by local metabolic factors (CO2, H+). Autoregulation and hyperemia. Anatomy of cerebral blood supply and special features of cerebral blood vessels. Splanchnic Circulation: Anatomy and regulation of blood flow to the gastrointestinal organs. Role of sympathetic and parasympathetic nervous systems. Chemical factors and the concept of autoregulatory escape. Cutaneous Circulation: Thermoregulatory function and dense nervous innervation. Mechanisms of vasodilation and vasoconstriction. Blood reservoir function and responses to mechanical stimuli. Fetal Circulation: Unique aspects of fetal blood flow including umbilical vessels, ductus venosus, foramen ovale, and ductus arteriosus. Changes in circulation at birth and the stimuli for these changes. Skeletal Muscle Circulation: Regulation during rest and exercise. Role of nervous and local metabolic control. Circulatory adjustments during physical activity. Pulmonary Circulation: Characteristics and regulation of pulmonary blood flow. Zones of blood flow in the lungs and the effect of gravity. Response to hypoxia and other factors influencing pulmonary vascular resistance

Circulation through Special Regions -characteristics and regulation

MedicoseAcademics

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180-hour Power Capsules For Men In Ghana

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Tips and tricks to pass the cardiovascular station for PACES exam

Junhao Koh

Is Rheumatoid Arthritis a Metabolic Disorder.pptx

Samar Tharwat

CURRENT HEALTH PROBLEMS AND ITS SOLUTION BY AYURVEDA.pptx

Dr KHALID B.M

Thoracotomy is the surgical procedure with an incision made to access the pleural space and the contents of the thoracic cavity. Given the structures to be accessed with in the cavity, different incisions have been established to easy the procedure and these incisions qualify the types of thoracotomies to be studied hereunder. PRE OP OPTIMIZATION FOR SPECIFIC FACTORS The outcome of surgical procedures is not measured only by clinical end points but also shorter stays and lower costs. Patients’ discharge is delayed commonly due to inadequate pain relief, infection, arrhythmias, prolonged air leak and debility. Many complications that occur from thoracic operations can be anticipated. An aggressive preoperative work up mitigates morbidity and shortens convalescence. APPROACH CONSIDERATIONS There are about three principles that can guides the choice of the thoracotomy incision to be used I. Adequate exposure must be achieved. The choice of incision is aided by a thorough understanding of the surface anatomy and a comprehensive review of the radiographic images that are obtained preoperatively. II. Chest-wall function and appearance should be preserved to the extent possible. This principle include non-spreading video-assisted thoracoscopic surgery (VATS) procedures, muscle-sparing techniques, avoidance of excessive rib retraction, and rib preservation when possible. III. The third principle is that closure must be meticulous and appropriate. Strict layered closure is the rule for thoracic surgical incisions. Every effort should be made to approximate the individual divided chest-wall muscles in appropriate layers; otherwise, a significant delay in the recovery of range of motion (ROM) may result. Care must be taken to avoid over approximating the ribs and to prevent an override; this will help minimize postoperative pain. POST-OPERATIVE CARE AND MONITORING

THORACOTOMY . SURGICAL PERSPECTIVES VOL 1

DR SETH JOTHAM

PREPARATION FOR EXAMINATION FON II .pptx

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This document provides information on Tuberculinum, including its preparation from a pure cultivation of tubercle bacilli, its representation of the tubercular miasm, and its key symptoms. Tuberculinum patients experience a feeling of being shut in and a need for rapid change. They are restless, dissatisfied, prone to destructive behavior, and prefer mountain climates. The remedy is also indicated for conditions like ADHD, autism, and a family history of tuberculosis.

TUBERCULINUM-2.BHMS.MATERIA MEDICA.HOMOEOPATHY

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CT scan of penetrating abdominopelvic trauma

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TEST BANK For Huether and McCance's Understanding Pathophysiology, Canadian 2...

Cardiac Impulse: Rhythmical Excitation and Conduction in the Heart

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Creating Accessible Public Health Communications

NCLEX RN REVIEW EXAM CONTENT BLUE BOOK PDF

5CL-ADB powder supplier 5cl adb 5cladba 5cl raw materials vendor on sale now

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Circulation through Special Regions -characteristics and regulation

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Tips and tricks to pass the cardiovascular station for PACES exam

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CURRENT HEALTH PROBLEMS AND ITS SOLUTION BY AYURVEDA.pptx

THORACOTOMY . SURGICAL PERSPECTIVES VOL 1

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Side view of Weymouth dentist office South Shore Dentistry

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