Pulsus bigeminus: Difference between revisions
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==Overview== | ==Overview== | ||
'''Pulsus bigeminus''' is a cardiovascular phenomenon, in which two heartbeats occur close to each other followed by a long pause. The second pulse is weaker than the first, and it is caused by premature contractions after every other beat, usually of the [[Ventricle (heart)| | '''Pulsus bigeminus''' is a cardiovascular phenomenon, in which two heartbeats occur close to each other followed by a long pause. The second pulse is weaker than the first, and it is caused by premature contractions after every other beat, usually of the [[Ventricle (heart)|ventricles]]. | ||
==Causes== | ==Causes== | ||
===Overview=== | |||
Pulsus bigeminus may be innocent and a temporary phenomenon, but mostly seen in cases of[[hypertrophic obstructive cardiomyopathy]]. | |||
===Life Threatening Causes=== | ===Life Threatening Causes=== | ||
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===Common Causes=== | ===Common Causes=== | ||
The most common cause of pulsus bigeminus is [[hypertrophic obstructive cardiomyopathy]], other causes include: | |||
*[[Beta blocker]] | *[[Beta blocker]] | ||
*[[Calcium channel blocker]] | *[[Calcium channel blocker]] | ||
*[[Digoxin]] | *[[Digoxin]] | ||
*[[Hyperkalemia]] | *[[Hyperkalemia]] | ||
*[[Hypothyroidism]] | *[[Hypothyroidism]] | ||
*[[Myocardial infarction]] | *[[Myocardial infarction]] |
Revision as of 17:08, 20 November 2013
Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]
Overview
Pulsus bigeminus is a cardiovascular phenomenon, in which two heartbeats occur close to each other followed by a long pause. The second pulse is weaker than the first, and it is caused by premature contractions after every other beat, usually of the ventricles.
Causes
Overview
Pulsus bigeminus may be innocent and a temporary phenomenon, but mostly seen in cases ofhypertrophic obstructive cardiomyopathy.
Life Threatening Causes
Life-threatening causes include conditions which may result in death or permanent disability within 24 hours if left untreated. Pulsus bigeminus in itself is not a life threatening condition.
Common Causes
The most common cause of pulsus bigeminus is hypertrophic obstructive cardiomyopathy, other causes include:
Causes by Organ System
Cardiovascular | Hypertrophic obstructive cardiomyopathy, myocardial infarction |
Chemical / poisoning | No underlying causes |
Dermatologic | No underlying causes |
Drug and Toxin Side Effect | Beta blocker, calcium channel blocker, digoxin |
Ear Nose Throat | No underlying causes |
Endocrine | Hypothyroidism |
Environmental | No underlying causes |
Gastroenterologic | No underlying causes |
Genetic | [No underlying causes |
Hematologic | No underlying causes |
Iatrogenic | No underlying cause |
Infectious Disease | No underlying causes |
Musculoskeletal / Ortho | No underlying causes |
Neurologic | No underlying cause |
Nutritional / Metabolic | No underlying cause |
Obstetric/Gynecologic | No underlying cause |
Oncologic | No underlying causes |
Opthalmologic | No underlying causes |
Overdose / Toxicity | [No underlying causes |
Psychiatric | No underlying causes |
Pulmonary | No underlying causes |
Renal / Electrolyte | Hyperkalemia |
Rheum / Immune / Allergy | No underlying causes |
Sexual | No underlying causes |
Trauma | No underlying causes |
Urologic | No underlying causes |
Miscellaneous | No underlying causes |