Failure Of An Implantable Left Ventricular Assist Device: A Distinctive Electrocardiographic Pattern Before Malfunction William Piccione, MDa, Walter.

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Presentation transcript:

Failure Of An Implantable Left Ventricular Assist Device: A Distinctive Electrocardiographic Pattern Before Malfunction William Piccione, MDa, Walter G. Kao, MDb, Annette Mattea, RN, BSNb, E.Rene Rodriguez, MDc, Richard G. Trohman, MDb The Journal of Thoracic and Cardiovascular Surgery Volume 115, Issue 6, Pages 1376-1378 (June 1998) DOI: 10.1016/S0022-5223(98)70223-5 Copyright © 1998 Mosby, Inc. Terms and Conditions

Fig. 1 Standard 12-lead ECG obtained prior to device failure demonstrating current bursts in synchrony with the LVAD. Native QRS complexes are noted (arrows). The Journal of Thoracic and Cardiovascular Surgery 1998 115, 1376-1378DOI: (10.1016/S0022-5223(98)70223-5) Copyright © 1998 Mosby, Inc. Terms and Conditions

Fig. 2 A, LVAD motor chamber showing clotted blood over the stator, the magnet, and cams, as well as over and under the retaining screw. The hardened blood clot effectively adheres the movable magnet and cams to the motor chamber housing and stator, thus impeding any rotation of the cams (0.5×). B, Back surface of the pusher plate showing clotted dry blood on the plate and ramps (0.5×). The Journal of Thoracic and Cardiovascular Surgery 1998 115, 1376-1378DOI: (10.1016/S0022-5223(98)70223-5) Copyright © 1998 Mosby, Inc. Terms and Conditions