Heart failure
Symptoms
	Abdominal swelling
	Dyspnea on exertion
	Edema
	Exercise intolerance
	Fatigue
	Orthopnea
	Paroxysmal nocturnal dyspnea
	Recent weight gain
Physical examination findings
	Abdomen: hepatojugular reflux, ascites
	Extremities: cool, dependent edema
	Heart: bradycardia/tachycardia, laterally displaced point of maximal impulse, third heart sound (gallop or murmur)
	Lungs: labored breathing, rales
	Neck: elevated jugular venous pressure
	Skin: cyanosis, pallor
Alternative causes
Symptoms
	Abdominal swelling (liver failure)
	Anorexia, weight loss (sarcoidosis)
	Chest pain (coronary artery disease)
	Claudication (atherosclerotic disease)
	Cough (pulmonary disease)
	Diarrhea or skin lesions (amyloidosis)
	Dyspnea on exertion (pulmonary disease, valvular disease)
	Edema (liver or kidney failure)
	Neurologic problems (sarcoidosis)
	Palpitations (tachyarrhythmia)
	Recent fevers, viral infection (endocarditis, myocarditis, infection)
	Syncope (bradycardia, heart block)
Physical examination findings
	Abdomen: distended, hepatosplenomegaly, tender, ascites (liver disease)
	Extremities: joint inflammation/warmth (rheumatologic disease)
	Heart: irregular rate or rhythm (arrhythmia)
	Lungs: wheezing (pulmonary disease)
	Neck: thyromegaly/nodule (thyroid disease)
	Skin: cyanosis (anemia), jaundice (liver failure)