Coronary heart disease electrocardiogram: Difference between revisions
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Stress testing is used for risk stratification and diagnosis of coronary artery disease. | Stress testing is used for risk stratification and diagnosis of coronary artery disease. | ||
==Electrocardiogram== | ==Electrocardiogram== | ||
Exercise EKG is preferred initial test unless the patients have uninterpretable EKG not in a condition to exercise. | Exercise EKG/Stress EKG is preferred initial test unless the patients have uninterpretable EKG not in a condition to exercise. | ||
Few uninterpretable EKG conditions are | Few uninterpretable EKG conditions are | ||
* [[WPW syndrome]] | * [[WPW syndrome]] | ||
| Line 11: | Line 11: | ||
* [[Left bundle branch block]] | * [[Left bundle branch block]] | ||
* [[Ventricular pacing]] | * [[Ventricular pacing]] | ||
* Resting abnormalities of [[ST segment]] and [[T waves]] | * Resting abnormalities of [[ST segment]] and [[T waves]]. | ||
===Prognostic Markers: Exercise EKG=== | ===Prognostic Markers: Exercise EKG=== | ||
* In ECG recording | * In ECG recording | ||
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** Maximum [[heart rate]], [[blood pressure]], [[RPP]] | ** Maximum [[heart rate]], [[blood pressure]], [[RPP]] | ||
** Exertional [[hypotension]] | ** Exertional [[hypotension]] | ||
** | ** Chronotropic incompetence | ||
** [[Heart rate]] recovery | ** [[Heart rate]] recovery | ||
Latest revision as of 17:03, 14 January 2013
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Coronary heart disease electrocardiogram On the Web |
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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]
Overview
Stress testing is used for risk stratification and diagnosis of coronary artery disease.
Electrocardiogram
Exercise EKG/Stress EKG is preferred initial test unless the patients have uninterpretable EKG not in a condition to exercise. Few uninterpretable EKG conditions are
- WPW syndrome
- > 1 mm of ST depression at rest
- Left bundle branch block
- Ventricular pacing
- Resting abnormalities of ST segment and T waves.
Prognostic Markers: Exercise EKG
- In ECG recording
- Maximum ST elevation
- Number of leads showing changes
- Duration for onset of ST segment changes
- Duration for ST segment change recovery
- ST/HR indices
- Occurrence exercise induced ventricular arrhythmia
- Hemodynamic markers
- Maximum heart rate, blood pressure, RPP
- Exertional hypotension
- Chronotropic incompetence
- Heart rate recovery
- Exercise capacity
- Duration
- Workload
- Ischemia
- Angina
- Time of onset