Ventricular tachycardia diagnostic study of choice: Difference between revisions
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== Diagnostic Study of Choice == | == Diagnostic Study of Choice == | ||
== 2017 AHA/ACC/HRS Guidelines for Management of [[Patients]] With [[Ventricular Arrhythmia]]s== | |||
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| Colspan="1" style="text-align:center; background:LemonChiffon"|[[ACC AHA guidelines classification scheme#Classification of Recommendations|Class I]] | |||
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| Bgcolor="LemonChiffon"|<nowiki>"</nowiki>'''1'''In [[patients]] with sustained, hemodynamically stable, [[wide QRStachycardia]], 12 leads [[ECG]] should be obtained '' ([[ACC AHA guidelines classification scheme#Level of Evidence|Level of Evidence B]])<nowiki>"</nowiki>'' | |||
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| Bgcolor="LemonChiffon"|<nowiki>"</nowiki>'''2'''In [[patients]] with exercise induced [[ventricular tachyarrhythmia]] such as [[IHD] or [[cathecolaminergic polymorphic VT]] exercise treadmill test is recommended'' ([[ACC AHA guidelines classification scheme#Level of Evidence|Level of Evidence B]])<nowiki>"</nowiki>'' | |||
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| Bgcolor="LemonChiffon"|<nowiki>"</nowiki>'''3'''In [[patients]] with suspected or documented [[VT]], 12 leads [[ECG]] during sinuse rhythm should be obtained for detecting [[structural heart disease]]'' ([[ACC AHA guidelines classification scheme#Level of Evidence|Level of Evidence B]])<nowiki>"</nowiki>'' | |||
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Simple [[ECG]] is the first initiative study of choice for diagnosing a ventricular tachycardia rhythm. Further investigations are necessary afterwards to confirm the cause of abnormal ventricular rhythm. | Simple [[ECG]] is the first initiative study of choice for diagnosing a ventricular tachycardia rhythm. Further investigations are necessary afterwards to confirm the cause of abnormal ventricular rhythm. | ||
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* Let myocardial scar to be visualized precisely | * Let myocardial scar to be visualized precisely | ||
** late gadolinium enhancement (LGE) is being considered as the most widely used technique for evaluating myocardial scar tissue by CMR. It is based on measurement of the signal intensity of LGE of scarred tissue which help defining the scar. | ** late gadolinium enhancement (LGE) is being considered as the most widely used technique for evaluating myocardial scar tissue by CMR. It is based on measurement of the signal intensity of LGE of scarred tissue which help defining the scar. | ||
==References== | ==References== | ||
Revision as of 04:21, 20 May 2021
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Ventricular tachycardia Microchapters |
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Differentiating Ventricular Tachycardia from other Disorders |
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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]; Associate Editor(s)-in-Chief: Mahshid Mir, M.D. [2]
Overview
Simple ECG is the first initiative study of choice for diagnosing a ventricular tachycardia rhythm. Further investigations are necessary afterwards to confirm the cause of abnormal ventricular rhythm. Cardiac magnetic resonance is the gold standard test for the diagnosis of structural VT substrate. Cardiac magnetic resonance provides detailed assessment of cardiac morphology and function.
Diagnostic Study of Choice
2017 AHA/ACC/HRS Guidelines for Management of Patients With Ventricular Arrhythmias
| Class I |
| "1In patients with sustained, hemodynamically stable, wide QRStachycardia, 12 leads ECG should be obtained (Level of Evidence B)" |
| "2In patients with exercise induced ventricular tachyarrhythmia such as [[IHD] or cathecolaminergic polymorphic VT exercise treadmill test is recommended (Level of Evidence B)" |
| "3In patients with suspected or documented VT, 12 leads ECG during sinuse rhythm should be obtained for detecting structural heart disease (Level of Evidence B)" |
Simple ECG is the first initiative study of choice for diagnosing a ventricular tachycardia rhythm. Further investigations are necessary afterwards to confirm the cause of abnormal ventricular rhythm.
Study of choice
Cardiac magnetic resonance is the gold standard test for the diagnosis of structural VT substrate.
Cardiac magnetic resonance provides:
- Excellent soft tissue image resolution
- Detailed assessment of cardiac morphology and function
- Let myocardial scar to be visualized precisely
- late gadolinium enhancement (LGE) is being considered as the most widely used technique for evaluating myocardial scar tissue by CMR. It is based on measurement of the signal intensity of LGE of scarred tissue which help defining the scar.