Stroke or TIA of undefined etiology
Consider in young, healthy<unk> s without risk factors for stroke
Migraine or migraine-like symptoms
Neurologic decompression sickness (seen in scuba divers)
Acute myocardial infarction
Systemic embolism, such as renal infarction
Fat embolism
Paradoxical embolism caused by right atrial tumors that increase right atrial pressure
Left-sided valve disease in carcinoid syndrome
Consider in young, healthy<unk> s without risk factors for stroke
Patent foramen ovale
Intrapericardial foreign body
Left ventricular aneurysm
Systemic venous embolism
Left ventricular pseudoaneurysm
Right heart and pulmonary artery embolism
Anomalous coronary arteries
Pulmonary vein embolism