Health encyclopaedia - Alphabetical Topic List

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Complications of Heart attack

The complications of MI are divided into those that happen immediately, and those that appear later on.

Immediate complications:

  • Dangerous irregular heart rhythms and very fast or very slow rates;
  • Dangerous drops in blood pressure;
  • Fluid build-up in and around the lungs (pulmonary oedema, pleural effusion);
  • Clots forming in the deep veins of the legs or pelvis (Deep vien thrombosis);
  • Rupture of the heart wall itself where it has been damaged by the blood-supply blockage.

Later complications:

  • Blow-out (Aneurysm) of the damaged heart wall, which becomes thin and weak;
  • Increased risk of MI in the future;
  • Shortage of oxygen to the heart, causing chest pain on exertion (angina);
  • Inefficient heart pumping (congestive heart failure) causing breathlessness and build-up of fluid in the ankles and legs (oedema);
  • Depression, loss of confidence, loss of sex drive, and fear of having sex (very common).