Why the study?
Do five electrocardiographic criteria accurately detect echocardiographic left ventricular hypertrophy in elderly patients?
Do five electrocardiographic criteria accurately detect echocardiographic left ventricular hypertrophy in elderly patients?
Electrocardiographic criteria for left ventricular hypertrophy have low sensitivity but high specificity compared to echocardiography in elderly patients.
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ECG criteria miss most LVH by echo in elderly; leaves open need for imaging validation before routine use.
A blinded prospective study was performed to correlate the presence or absence of left ventricular hypertrophy determined by five electrocardiographic criteria with left ventricular mass determined by M-mode or two-dimensional echocardiography in unselected patients over 62 years old in a long-term health care facility. Left ventricular hypertrophy (left ventricular mass ≥225 g) occurred in 167 of 476 elderly patients (35%). The sensitivity of the electrocardiographic criteria ranged from 12 to 29%, the specificity from 93 to 96, the positive predictive value from 62 to 71, and the negative predictive value from 67 to 71 %.
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Aronow et al. (2017) studied this question.
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