Heartbeat: sudden cardiac death risk predicted by simple ECG measures
Why the study?
Primary prevention of sudden cardiac death is limited to patients with known left ventricular dysfunction or underlying arrhythmia, and no simple method exists to identify high-risk individuals among apparently healthy people.
Do simple baseline ECG abnormalities predict the risk of sudden cardiac death in apparently healthy people?
Population
6830 subjects in the Mini-Finland Health Study and 10 617 subjects in a validation cohort
Comparison
Presence of 1, 2, or 3 or more ECG abnormalities vs no ECG abnormalities
Authors
Discussion
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Member takes
Implication
ECG risk score may aid SCD stratification in healthy adults; hypothesis-generating and requires prospective validation before practice change.
Structured PICO
Do simple baseline ECG abnormalities predict the risk of sudden cardiac death in apparently healthy people?
P
Population
17,447 apparently healthy subjects (6,830 in the Mini-Finland Health Study derivation cohort and 10,617 in a separate validation cohort)
I
Intervention
Presence of 1, 2, or 3 or more of five simple baseline ECG abnormalities (heart rate >80 beats/min, PR duration >220 ms, QRS duration >110 ms, left ventricular hypertrophy, and T-wave inversion)
C
Comparator
No ECG abnormalities
O
Outcome
Sudden cardiac death (SCD)hard clinical
Five simple baseline ECG abnormalities can identify apparently healthy individuals at significantly increased risk for sudden cardiac death.
Cite This Study
Catherine M Otto (2020) studied this question.