Findings on history and physical examination	Possible etiology
Chest pain, palpations, shortness of breath, rales, edema, arrhythmia, murmur	Congestive heart failure, myocardial infarction, arrhythmia, pericarditis, or myocarditis
Swollen extremities, edema	Congestive heart failure, venous obstruction, prolonged sitting or standing (resulting in venous pooling)
Symptoms on awakening or after a meal	Venous pooling or postprandial hypotension
Vomiting, diarrhea, bleeding, burns, diuretic use, clinical signs of dehydration	Intravascular volume depletion
Various symptoms of endocrine diseases	Adrenal insufficiency, diabetes insipidus
Fever	Sepsis or other acute infectious process