Sudden cardiac death history and symptoms
===Symptoms]]
- Symptoms related to arrhythmia or underlying heart disease within one hour before cardiac arrest may include the following:[1]
- Palpitations
- lightheadedness
- syncope
- dyspnea
- chest pain
- cardiac arrest
- Dyspnea at rest or on exertion
- orthopnea
- paroxysmal nocturnal dyspnea
- chest pain, edema
- ↑ Marijon E, Uy-Evanado A, Dumas F, Karam N, Reinier K, Teodorescu C, Narayanan K, Gunson K, Jui J, Jouven X, Chugh SS (January 2016). "Warning Symptoms Are Associated With Survival From Sudden Cardiac Arrest". Ann Intern Med. 164 (1): 23–9. doi:10.7326/M14-2342. PMC 5624713. PMID 26720493.