Life threatening causes of<unk>  include acute coronary syndromes, anaphylaxis, carbon monoxide poisoning and cardiac tamponade. Other causes of<unk>  include
anemia, foreign body aspiration, pneumonia and pregnancy.
Dyspnea causes
Orthopnea causes
Chest pain causes
Tachycardia causes
Bradycardia causes
Heartburn causes
Palpitation causes
Respiratory acidosis causes