What question did this study set out to answer?

To describe and validate a rapid, noninvasive bedside technique using pulsed reflected ultrasound to measure left ventricular wall thickness.

May 1, 1968Archives of Internal Medicine

Left ventricular wall thickness measured by ultrasound

View Full Paper

Ask AI

Bookmark

Why the study?

Does pulsed reflected ultrasound accurately measure left ventricular wall thickness compared to direct measurement in normal subjects and patients?

Population

25 normal subjects and 35 patients in whom left ventricular wall thickness was measured either at necropsy…

Comparison

Pulsed reflected ultrasound for measuring left… vs Direct measurement at necropsy or during…

Design

Cross-sectional

Authors

HFH. Feigenbaum

Discussion

Member takes

Implication

May enable non-invasive bedside LV wall thickness assessment; leaves open validation in larger prospective cohorts.

Key Points

To describe and validate a rapid, noninvasive bedside technique using pulsed reflected ultrasound to measure left ventricular wall thickness.
Pulsed ultrasound energy was modulated during recording to isolate the pericardium-lung interface and measure the anterior myocardial echo band.
The diagnostic technique was tested in 25 normal subjects and 35 patients with structural verification.
Ultrasound measurements were directly validated against anatomic wall thickness measured during open-heart surgery or at necropsy.
The pulsed reflected ultrasound technique enabled bedside measurement of the left ventricular wall within minutes without patient risk or discomfort.
Echo tracings successfully distinguished myocardial boundaries by modulating ultrasound energy across the pericardial interface.
Accuracy was confirmed against direct anatomical measurements obtained in 35 surgical and necropsy cases.

Structured PICO

Does pulsed reflected ultrasound accurately measure left ventricular wall thickness compared to direct measurement in normal subjects and patients?

Population

25 normal subjects and 35 patients (total n=60) in whom left ventricular wall thickness was measured either at necropsy or during open-heart surgery

Intervention

Pulsed reflected ultrasound for measuring left ventricular wall thickness

Comparator

Direct measurement at necropsy or during open-heart surgery

Outcome

Accuracy of left ventricular wall thickness measurementsurrogate

Pulsed reflected ultrasound provides an accurate, non-invasive bedside method for measuring left ventricular wall thickness.

Cite This Study

H. Feigenbaum (1968) studied this question.

synapsesocial.com/papers/6a0d6ebf88250cfcc2a4f0db https://doi.org/10.1001/archinte.121.5.391

Topics

Echocardiography

View Full Paper

Ask AI

Bookmark

Left ventricular wall thickness measured by ultrasound

Discussion

Member takes

Implication

Key Points

Structured PICO

Cite This Study

Topics

Left ventricular wall thickness measured by ultrasound

Discussion

Member takes

Implication

Key Points

Structured PICO

Cite This Study

Also Consider

Topics

Also Consider