Pulmonary Embolism


Pulmonary embolis causes

  • It immediately results in the obstruction of pulmonary blood flow to the distal regions.

Consequences are

  • insufficient ventilation,
  • atelectasis, occurring in 2-24 hours,
  • arterial hypoxemia.

The hemodynamic consequences are:

  • pulmonary hypertension,
  • right ventricular insufficiency,
  • decreased cardiac output.

Pulmonary embolism symptoms only happen when an essential fraction of the pulmonary vasculature is obstructed. In more severe cases, onset is sudden, chest pain, hemoptysis, tachypnoea, tachycardia, temperature.

Hypotension suggests pulmonary edema.

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