Chronotropic incompetence in clinical exercise testing.

Summary

Chronotropic incompetence, an impaired heart rate response during exercise, is a specific indicator of obstructive coronary artery disease (CAD). This finding can help identify patients with CAD, especially those with unclear exercise test results.

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Cardiac Output
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Exercise Stress Test

Introduction
Exercise stress testing, commonly known as a treadmill test, is a noninvasive procedure used to evaluate cardiovascular function and diagnose heart conditions.
Definition
An exercise stress test measures the heart's response to exertion using a treadmill or stationary bicycle. Chest electrodes record the heart's electrical activity through an ECG, and blood pressure is monitored regularly.
Purposes