A 50-year-old man presents with sudden onset of dyspnea, breathlessness, and chest pain. Examination shows tachypnea, hypotension, cyanosis, jugular vein distension, tachycardia, and low-grade fever. The most likely diagnosis is:
1
Acute M.I
2
Acute attack of bronchial asthma
3
Stroke (CVA)
4
Pulmonary embolism