Article Figures & Data
Figures
- Figure 1.
Diagnostic evaluation after sudden cardiac arrest.
Tables
- Table 1. Study Population Demographics: 79 Children and Young Adults with Sudden Cardiac Arrest
Characteristic Age, years 5–10 7 (9) 11–15 27 (34) 16–20 36 (46) 21–25 6 (8) 26–30 3 (4) Race White 69 (87) African American 5 (6) Hispanic 5 (6) Sex Male 54 (68) Female 25 (32) Relation to exercise During or within 1 hour of exercise 38 (48) Unrelated to exercise 41 (52) Values provided as n (%).
Diagnosis Autopsy negative sudden unexplained death 19 (24) Hypertrophic cardiomyopathy 18 (23) Long QT syndrome 8 (11) Unknown, no autopsy 9 (11) Anomalous coronary artery 4 (5) Dilated cardiomyopathy 4 (5) Arrhythmogenic right ventricular cardiomyopathy 3 (4) Myocarditis 3 (4) Wolff–Parkinson–White syndrome 2 (3) Mitral valve prolapse 2 (3) Cardiomyopathy, not otherwise specified 2 (3) Supraventricular tachycardia 1 (1) Primary pulmonary hypertension 1 (1) Left ventricular hypertrophy 1 (1) Coronary artery disease 1 (1) Marfan syndrome 1 (1) Values provided as n (%).
- Table 3. Reported Symptom Prevalence in Children and Young Adults with Sudden Cardiac Arrest (SCA)*
Symptom Study Population with Symptom (%) SCA Victims with Symptoms before Their Most Recent Physician Visit (%) Events, n (range) Symptom Onset before SCA (months) Fatigue 44 25 NA 21 Near-syncope/lightheadedness 30 22 NA 30 Chest pain/discomfort 28 20 NA 26 Palpitations 28 17 NA 25 Heart murmur 24 — NA 89 Shortness of breath 23 20 NA 19 Tire more easily than friends 22 — NA NA Syncope 18 14 2.3 (2–5) 47 Unexplained seizure activity 13 11 2.9 (1–10) 71 Decrease in physical activity 11 — NA NA Hypertension 3 — NA 25 One of the above symptoms 72 51 — — ↵* Timing of symptoms related to most recent physician visit and SCA is provided.
NA, not applicable.
Family History Died of cardiac disease before age 50 years 21 (27) Coronary artery disease 18 (23) Mitral valve prolapse 12 (15) Cardiac pacemaker 12 (15) Unexplained fainting 11 (14) Unexplained seizure diagnosis 4 (5) Drowning or near drowning event 4 (5) Wolff–Parkinson–White syndrome 3 (4) Implanted Cardiac defibrillator 1 (<1) Hypertrophic cardiomyopathy 1 (<1) Long QT syndrome 1 (<1) Dilated cardiomyopathy 1 (<1) Anomalous coronary artery 1 (<1) Aortic rupture/Marfan's syndrome 1 (<1) At least one of the above family history components 32 (40) Values provided as n (%).
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