CARDIAC FAILURE

Failure of heart, because of some malfunction of heart itself, to pump enough blood is called cardiac failure.

Symptoms

• Dec. cardiac output

•  Damping  of  blood   in   pulmonary  or  systemic veins, causing  pulmonary and systemic congestion and edema.

Causes

• Dec. pumping ability of heart

•  Dec. contractility of myocardium

•  Dec.coronary blood flow

•  Damage to heart valves

• External pressure around heart

•  Severe hypertension

•  Valvular & Congenital diseases of heart

 

At the end of the lesson student should able to learn about:

  • Circulatory dynamics in cardiac failure.
  • Unilateral left heart failure.
  • Low-output cardiac failure-cardiogenic shock.
  • "High-output cardiac failure" can occur even in a normal heart that is overloaded.

 

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