<unk>  is often observed among patients with left heart failure.<unk>  can also occur in patients suffering from asthma and chronic bronchitis, as well as those with sleep apnea or panic disorder.
Orthopnea causes
Dyspnea causes
Palpitation causes
Chest pain causes
Heart murmur causes
Bradycardia causes
Tachycardia causes
Heartburn causes