Ventricular tachycardia physical examination: Difference between revisions
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Physical findings depend in part on the [[P wave|P]]-to-[[QRS complex|QRS]] relationship with/without signs of [[AV dissociation]]. | Physical findings depend in part on the [[P wave|P]]-to-[[QRS complex|QRS]] relationship with/without signs of [[AV dissociation]]. | ||
===Vital Signs=== | ===Vital Signs=== | ||
Vitals are generally unaffected by [[carotid sinus massage]], although this maneuver may slow the atrial rate and, in some cases, expose [[AV dissociation]]. | |||
====Blood Pressure==== | ====Blood Pressure==== | ||
Revision as of 15:07, 22 January 2013
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Ventricular tachycardia Microchapters |
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Differentiating Ventricular Tachycardia from other Disorders |
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Diagnosis |
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Ventricular tachycardia physical examination On the Web |
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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]; Associate Editor-in Chief: Avirup Guha, M.B.B.S.[2]
Physical Examination
Physical findings depend in part on the P-to-QRS relationship with/without signs of AV dissociation.
Vital Signs
Vitals are generally unaffected by carotid sinus massage, although this maneuver may slow the atrial rate and, in some cases, expose AV dissociation.
Blood Pressure
- Hemodynamic compromise (hypotension, shock) are often, but not always present.
- Highly inconsistent fluctuations in the blood pressure can occur because of the variability in the degree of left atrial (LA) contribution to LV filling, stroke volume, and cardiac output.
Neck
- Intermittent cannon A waves can be observed on examination of the jugular pulsation in the neck, and they reflect simultaneous atrial and ventricular contraction.
Heart
- Variability in the occurrence and intensity of heart sounds (especially S1) may also be observed and is heard more frequently when the rate of the tachycardia is slower.
- Look for evidence of preexisting conditions like a pacemaker/AICD or scar mark from previous cardiothoracic surgery.