Table 7. Criteria for hospitalization of patients with AHF.

Recommendation	Signs and symptoms
Hospitalization required	Hypotension, hypoperfusion, renal impairment, altered mentality
	Dyspnea at rest (oxygen saturation <90%)
	Acute coronary syndrome
	Hypertensive emergency
	Significant arrhythmia (tachycardia, bradycardia, conduction disturbance)
	Acute mechanical complication
	Acute pulmonary embolism
Hospitalization should be considered	Increased symptoms of congestion without dyspnea
	Symptoms or signs of congestion, including pulmonary congestion
	Severe electrolyte disturbance
	Concomitant diseases including
		Pneumonia
		Diabetic ketosis
		Cerebral infarction or transient ischemic attack
	Recurrent implantable cardioverter-defibrillator shock
	Newly diagnosed heart failure

AHF = acute heart failure.