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- Electrical_alternans abstract "Electrical alternans is an electrocardiographic phenomenon of alternation of QRS complex amplitude or axis between beats and a possible wandering base-line. It is seen in cardiac tamponade and severe pericardial effusion and is thought to be related to changes in the ventricular electrical axis due to fluid in the pericardium, as the heart essentially wobbles in the fluid filled pericardial sac.Generally electrical alternans can be seen with tamponade, and narrow AV junctional reenterant tachycardia with an accessory pathway (such as WPW syndrome). A similar phenomenon, pseudo-alternans, can be seen in bigeminal PVC in the PR interval, alternans pre-excitation, and alternans bundle branch block. For the most part however, the most serious condition to rule out is tamponade.Electrical alternans with sinus tachycardia is a highly specific sign for large pericardial effusion. This is due to the swinging motion of the heart in the pericardial cavity causing a beat-to-beat variation in QRS axis and amplitude. Patients with cardiac tamponade and hemodynamic compromise should have emergency pericardiocentesis.".
- Electrical_alternans thumbnail Electrical_Alternans.JPG?width=300.
- Electrical_alternans wikiPageID "4575327".
- Electrical_alternans wikiPageLength "1923".
- Electrical_alternans wikiPageOutDegree "15".
- Electrical_alternans wikiPageRevisionID "601159586".
- Electrical_alternans wikiPageWikiLink AV_node.
- Electrical_alternans wikiPageWikiLink Atrioventricular_node.
- Electrical_alternans wikiPageWikiLink Bundle_branch_block.
- Electrical_alternans wikiPageWikiLink Cardiac_tamponade.
- Electrical_alternans wikiPageWikiLink Category:Cardiac_dysrhythmia.
- Electrical_alternans wikiPageWikiLink Coordinate_axis.
- Electrical_alternans wikiPageWikiLink Coordinate_system.
- Electrical_alternans wikiPageWikiLink Electrocardiogram.
- Electrical_alternans wikiPageWikiLink Electrocardiography.
- Electrical_alternans wikiPageWikiLink Pericardial_effusion.
- Electrical_alternans wikiPageWikiLink Pericardium.
- Electrical_alternans wikiPageWikiLink Pseudo-alternans.
- Electrical_alternans wikiPageWikiLink QRS_complex.
- Electrical_alternans wikiPageWikiLink Ventricle_(heart).
- Electrical_alternans wikiPageWikiLink WPW_syndrome.
- Electrical_alternans wikiPageWikiLink Wolff–Parkinson–White_syndrome.
- Electrical_alternans wikiPageWikiLink File:Electrical_Alternans.JPG.
- Electrical_alternans wikiPageWikiLinkText "electrical alternans".
- Electrical_alternans hasPhotoCollection Electrical_alternans.
- Electrical_alternans wikiPageUsesTemplate Template:Circulatory-disease-stub.
- Electrical_alternans subject Category:Cardiac_dysrhythmia.
- Electrical_alternans hypernym Phenomenon.
- Electrical_alternans type Disease.
- Electrical_alternans comment "Electrical alternans is an electrocardiographic phenomenon of alternation of QRS complex amplitude or axis between beats and a possible wandering base-line.".
- Electrical_alternans label "Electrical alternans".
- Electrical_alternans sameAs m.0c9mkl.
- Electrical_alternans sameAs Q5357696.
- Electrical_alternans sameAs Q5357696.
- Electrical_alternans wasDerivedFrom Electrical_alternans?oldid=601159586.
- Electrical_alternans depiction Electrical_Alternans.JPG.
- Electrical_alternans isPrimaryTopicOf Electrical_alternans.