Larger emboli cause shortness of breath (dyspenea), pleuritic chest pain
, or both.
Dyspnea may be intermittent or occur only with exercise
. Less common symptoms include cough
and coughing up blood. The first symptom in an elderly patient may be altered mental status. Massive pe may show low bp, rapid heart rate
, fainting, or cardiac arrest
It's a medical emergency and should be taken seriously.
Answer assisted by Ken Starnes, Medical Student