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Circulatory System

Review integrated physiology, pathology, and pharmacology of the circulatory system, including structure and function, atherosclerosis, arterioslerosis, hypertension, vasculitis, and lipids and dyslipidemias.
Philip Tisdall, MD · January 29, 2020
Course
Materials

Structure & Function

The circulatory system should be thought of as arterial > capillary > venous. The arterial system should be broken down into large (elastic; aorta) > medium (muscular; named) > small (arteriole). Each of the arterial components is described, together with the clinical relevance.

 

Atherosclerosis

We cover the natural history of atherosclerosis from fatty streak, through plaque progression, to plaque disruption. Peripheral vascular disease includes the pathology of the ascending and descending aorta as well as the peripheral arteries (PAD).

 

Arteriolosclerosis

This lesson explains the pathophysiology of small artery disease and its similarities to aging. The concepts of functional reserve and failure are explored.

 

Hypertension

The new criteria of 2017 are noted, together with the physiology of blood pressure. The pathology of macrovascular disease is summarized, risk factors for HT are discussed and the approach to primary versus secondary HT is noted.

 

Vasculitis

The newest nomenclature from 2012 is reviewed, followed by a discussion of the immunopathology of vasculitis. A classification based on vessel size precedes the presentation of the most important individual diseases.

 

Lipids and Dyslipidemias

The biochemistry of lipoproteins and apolipoproteins is discussed, followed by their metabolic pathways in absorption, distribution and reverse cholesterol transport. Pathways are used to place the lipid diseases and therapeutic drugs. The key familial diseases (chylomicronemia, hypercholesterolemia, triglyceridemia) and secondary diseases are reviewed.

About Instructor

Philip Tisdall, MD

Philip Tisdall, MD, award-winning, teacher and published author, trained at the Mayo Clinic and is a diplomat of The American Board of Pathology (AP and CP). He is a dynamic and engaging speaker who help students understand how to correlate the basic sciences and apply them to the essential thought processes of clinical medicine. Dr. Tisdall received his MD from the University of Alberta, where he was the recipient of the gold medal in surgery and the Mckenzie award for History and Physical examination. Students praise him for his insight and ability to make complex material clear and memorable.

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Course Includes

  • 6 Lessons
  • 7 Quizzes
  • Course Certificate

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