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Updated: Dec 24, 2025

Semi-automated Optical Heartbeat Analysis of Small Hearts
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基于视频的人工智能对心脏功能进行节拍评估

David Ouyang1, Bryan He2, Amirata Ghorbani3

  • 1Department of Medicine, Stanford University, Stanford, CA, USA. ouyangd@stanford.edu.

Nature
|April 10, 2020
PubMed
概括

一个新的深度学习算法EchoNet-Dynamic准确地从心声图视频中评估心脏功能,

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Pulse rhythm01:30

Pulse rhythm

Pulse rhythm refers to the pattern of pulsations within specific intervals, offering valuable insights into the regularity or irregularity of the heart's beats as observed through the pattern of pulsation within specific intervals. A regular pulse exhibits a consistent heart rate with uniform waveforms and pulsation force, variations of which can be classified as normal, weak, or bounding.
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Assessment of apical radial pulse

Apical-Radial (A-R) Pulse Assessment
The A-R pulse assessment involves simultaneous evaluation of the apical and radial pulses. When the apical and radial pulse rates vary, this assessment helps identify a pulse deficit.
Pre-Procedural Preparation
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Cardiac auscultation is a clinical skill used to assess heart function and detect abnormalities. It involves listening to heart sounds at specific anatomical locations through a stethoscope.
Normal Heart Sounds
S1 (First Heart Sound)-
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