CBC
Chemistry
ECG
CXR
Troponin/CK
BNP
Ultrasound
Formal TTE/TEE
Formal TTE/TEE
Constrictive pericarditis
Dilated cardiomyopathy
Pericarditis
Hypertrophic cardiomyopathy
Restrictive cardiomyopathy
Peripartum cardiomyopathy
Myocarditis 
Takotsubo cardiomyopathy