Classification of PE severity has traditionally been based on haemodynamic stability: Massive Cardiovascular compromise with a systolic blood pressure (SBP) <90 mmHg or a drop in systolic pressure of >40 mmHg Sub-Massive No systemic hypotension but evidence of...
Cardiac arrest Need for cardiopulmonary resuscitation Obstructive shock Systolic BP <90 mmHg or vasopressors required to achieve a BP ≥90 mmHg despite adequate filling statusandEnd-organ hypoperfusion (altered mental status; cold, clammy skin; oliguria/anuria;...
ECG findings are also variable and neither sensitive or specific A normal ECG is seen in up to 18% of cases Abnormalities seen include: Sinus tachycardia (most common – 44%) Atrial arrhythmias (most frequently atrial fibrillation) Classic S1Q3T3 (10%) Deep...
