Terminal notching of the QRS complex in V1 and V2 in seborrheic patients |
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| Authors: | A Guijarro-Morales A Maldonado-Martín B Gil-Extremera |
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| Institution: | Servicio de Cardiología, Hospital Clinico Universitario San Cecilio, Granada, Spain. |
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| Abstract: | Widening of the QRS complex by terminal notching in leads V1 and V2 was observed in 6 seborrheic patients with adequate personal hygiene. This anomaly disappeared when the presternal skin was degreased thoroughly with cationic detergent before placing the conductive paste and electrodes. We attribute these electrocardiographic alterations to variations in the apocrine secretions in the presternal region, which modified the resistance of the skin to electrical potentials. |
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