Wednesday, 18 July 2018

SC - Cardiovascular Anatomy and Physiology

The cardiovascular anatomy and physiology:
Function of the heart:

  • Managing blood supply - The blood supplied according to the metabolic need by knowing the heart rate variations. 
  • Producing blood pressure - For the blood to flow through the blood vessels the heart muscle contracts which releases the pressure required. 
  • Securing one-way blood flow - The valves help in one-way blood flow through the blood vessels. 
  • Transmitting blood - Heart separates the pulmonary and systemic circulations that ensure oxygenated blood flow through the tissues. 
Anatomy of the heart: 
The different parts that make up the heart and also the functioning of it in the right way are
  • Heart Structure and Functions
  • Layers of the heart - Epicardium, myocardium, endocardium
  • Chambers of the heart - receiving chambers (atria), discharging chambers (ventricles), septum
  • Associated great vessels - superior and inferior vena cava, pulmonary arteries, pulmonary veins, aorta. 
  • Heart Valves - atrioventricular valves, tricuspid valve, bicuspid valve, semi-lunar valve
  • Cardiac circulation vessels - coronary arteries, cardiac veins
  • Blood vessels - arteries, arterioles, veins
  • Tunics - tunica intima, tunica media, tunica externa
  • Major arteries of the system circulation - arterial branches of the ascending aorta, arterial branches of the aortic arch, arterial branches of the thoracic aorta, arterial branches of the abdominal aorta
  • Major veins of the system circulation - veins draining into the superior vena cava, veins draining into the inferior vena cava
Physiology of the heart: 
  • Intrinsic conduction system of the heart
  • The pathway of the conduction system
  • Cardiac cycles and Heart sounds
  • Cardiac output
  • Physiology of circulation
  • Cardiovascular vital signs
  • Blood circulation through the heart
  • Capillary exchange of gases and nutrients

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