Assess for signs of CHF
elevated JVD, pulmonary edema, S3
Assess for valvular disease (mitral regurgitation, critical aortic stenosis, or aortic regurgitation)
Assess for end-organ hypoperfusion
cool/mottled extremities, weak pulses, altered mental status, decreased UOP
Assess for pulsus paradoxus (cardiac tamponade)
elevated JVD, pulmonary edema, S3
cool/mottled extremities, weak pulses, altered mental status, decreased UOP
Cardiogenic shock
Cardiogenic
Undifferentiated shock 
Acute valvular Regurgitation/VSD
Undifferentiated shock
CHF
Neurogenic shock
Dysrhythmia