What question did this study set out to answer?

To evaluate serial changes in electrocardiographic voltage criteria, mean QRS vectors, and the QRS-T angle in hypertensive patients during treatment.

December 1, 1967CirculationOpen Access

Serial Electrocardiographic Changes in Treated Hypertensive Patients with Reference to Voltage Criteria, Mean QRS Vectors, and the QRS-T Angle

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Why the study?

What are the serial electrocardiographic changes in voltage, QRS vectors, and QRS-T angles during treatment for hypertension?

Key Points

To evaluate serial changes in electrocardiographic voltage criteria, mean QRS vectors, and the QRS-T angle in hypertensive patients during treatment.
Analyzed serial electrocardiograms from 44 hypertensive patients who demonstrated ECG improvement during treatment.
Evaluated voltage criteria associated with left ventricular hypertrophy alongside changes in the direction and magnitude of mean QRS and T vectors.
Observed reductions across multiple electrocardiographic voltage criteria, corresponding with decreased magnitude of the mean QRS vector across leads even when pretreatment tracings were normal.
Identified concurrent improvements in mean T vectors and normalization of the QRS-T angle following antihypertensive treatment.

Structured PICO

What are the serial electrocardiographic changes in voltage, QRS vectors, and QRS-T angles during treatment for hypertension?

Population

44 patients who had shown improvement in their electrocardiograms during treatment for hypertension

Intervention

Treatment for hypertension

Outcome

Serial changes in voltage, QRS vectors, and QRS-T anglessurrogate

Serial ECG changes during hypertension treatment may be more valuable than pretreatment abnormalities for diagnosing cardiac structural or functional disorders.

Discussion

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Implication

ECG changes track hypertension treatment effects; hypothesis-generating for serial monitoring, needing prospective validation before clinical use.

Cite This Study

Dern et al. (1967) studied this question.

synapsesocial.com/papers/6a70ab4ab27f158178277799 https://doi.org/10.1161/01.cir.36.6.823

Topics

Hypertension management

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Implication

ECG changes track hypertension treatment effects; hypothesis-generating for serial monitoring, needing prospective validation before clinical use.

Serial Electrocardiographic Changes in Treated Hypertensive Patients with Reference to Voltage Criteria, Mean QRS Vectors, and the QRS-T Angle

Key Points

Structured PICO

Discussion

Implication

Cite This Study

Topics

Serial Electrocardiographic Changes in Treated Hypertensive Patients with Reference to Voltage Criteria, Mean QRS Vectors, and the QRS-T Angle

Key Points

Structured PICO

Discussion

Implication

Cite This Study

Also Consider

Topics

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