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Year : 2018  |  Volume : 15  |  Issue : 2  |  Page : 83-88

Audit of 24 h ambulatory electrocardiography (Holter) of 281 Nigerian patients in Benin city metropolis

Department of Medicine, U.B.T.H, Benin City, Nigeria

Correspondence Address:
Dr. Veronica Adaku Josephs
P.O. Box 10756, Ugbowo, Benin City, Benin 30012, Edo State
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/njc.njc_2_17

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Background: Recent advances in cardiovascular management have been the result of the implementation of technological advances in the form of facilities in patient care. Continuous ambulatory electrocardiography (ECG) is used for the diagnosis of symptomatic and asymptomatic arrhythmias of the cardiac patient which are not immediately apparent to the clinician, but otherwise amenable to treatment. Objective: The aim of this study is to examine the relevance of 24-h ambulatory ECG in the management of arrhythmias in the Nigerian patient. The study was carried out from Winsephs' family clinic, a private cardiology clinic in Benin City. Methods: A retrospective study of 281 adult patients referred for 24 h ambulatory ECG (Holter) between January 2006 and June 2015. Results: The indications for Holter-ECG were as follows: unexplained recurrent palpitations (174) (61.9%); effort intolerance (67) (23.8%); probable ischemic heart disease (53) (18.9%); chest pain (53) (18.9%); and an assessment of arrhythmia in congestive cardiac failure (48) (17.1%). Others were syncopal attacks (23) (8.9%) and extreme weakness (15) (5.3%). The most common rhythm abnormalities and the number of individuals affected were as follows: premature atrial contractions (PAC) (188) (66.1%), sinus tachycardia (ST) (165) (58.7%), ventricular extrasystoles (148) (52.7%), paroxysmal supraventricular tachycardia (127) (45.2%), ventricular tachycardia (55) (19.6%), bradycardia (57) (20.3%), and pause (51) (18.2%). Other significant rhythm abnormalities were atrial fibrillation (17) (6.1%) and atrial flutter (10) (3.6%). Myocardial ischemia indicated by ST depressive episodes was observed in (32) (11.4%) patients, and the majority of those affected were >55 years of age. There were five normal reports. Conclusion: Holter-ECG is becoming an indispensable tool in diagnosis, management, and follow up of the cardiac patient.

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