Difficulty breathing, a cardinal symptom of left ventricular failure, may manifest with progressively increasing severity as the following: * Difficulty breathing with physical activity (exertional dyspnea) * Difficulty breathing while lying flat (orthopnea) * Episodes of waking up from sleep gasping for air (paroxysmal nocturnal dyspnea) * Acute pulmonary edema Other cardiac symptoms of<unk>  failure include chest pain/pressure and palpitations. Common noncardiac signs and symptoms of<unk>  failure include loss of appetite, nausea, weight loss, bloating, fatigue, weakness, low urine output, waking up at night to urinate, and cerebral symptoms of varying severity, ranging from anxiety to memory impairment and confusion.
Acute decompensated heart failure
Acute exacerbation of chronic obstructive pulmonary disease
Acute pericarditis
Acute chest syndrome
Adrenal crisis
Acute liver failure
Uremic pericarditis
Swimming-induced pulmonary edema