Chest pain, shortness of breath, cough, fatigue
CHF-type appearance
Tachycardia
Narrow pulse pressure
Friction rub
Pulsus paradoxus (dec in BP on inspiration)
Beck's Triad (33% of patients)
Hypotension
Muffled heart sounds
JVD
Hypotension
Muffled heart sounds
JVD
Pericardial effusion and tamponade
Acute coronary syndromes 
Myocardial rupture
STEMI
Immersion pulmonary edema
Non-STEMI
Acute chest syndrome
Unstable angina