Abdul Majid, Muhammad Zafar Majeed Babar, Kashif Shahzad.
Acute Coronary Syndrome; Frequency of Different Arrhythmias in patients with Acute Coronary Syndrome During First 24 Hours of Admission.
Professional Med J Jan ;25(5):770-6.

Introduction: Chest pain is one of the most common presentations to the emergency and cardiology clinics and most serious of these is acute coronary syndrome (ACS) is a life threatening acute emergency.1 There are a number of complications, which can cause death immediately in patients of ACS which include arrhythmias, cardiogenic shock, progressive heart failure, mechanical cardiac complications and repeat MI.2-3 Objectives: To determine the frequency of different arrhythmias in patients with acute coronary artery syndrome in the first 24 hours of hospitalization. Study Design: Cross sectional study. Period: 1st July 2016 to 31st January 2017. Setting: Department of Cardiology, Sheikh Zayed Medical College/Hospital, Rahim Yar Khan. Methodology: 379 consecutive cases of ACS of either gender, with age range of 30 to 60 years were included. Socio-demographic data and other clinical data was taken. These patients were then attached with ECG monitors in department of cardiology, and ECG was recorded for 24 hours and then the type of arrhythmias if detected (PVCs / AF / VF / non sustained VT / sustained VT / first degree heart block/ second degree heart block/ third degree) and duration of develop arrhythmias was noted according to operational definitions. Results: In this study there were total 379 cases out of which 193 (50.92%) were males and 186 (49.08%) females with mean age of 48.80±4.51 years. Arrhythmias were detected in 175 (46.17%) cases. The most common arrhythmia was PVCs seen in 44 (11.61%) out of 379 cases. Arrhythmias affected more to age groups 30-45 years affecting 66 (58.9%) cases with p= 0.002 and those with BMI more than 30 (p= 0.01). The cases with DM and NSTEMI had it more with p= 0.02 and 0.01 respectively. On stratification of different types of arrhythmia, the male gender was significantly associated with sustained VT and female with second degree HEART BLOCK. The age group of 46-60 years was significantly associated with AF and sustained VT. Regarding different type of ACS, NSTEMI as compared to STEMI was found significantly associated with VF, non-sustained VT, sustained VT and third degree heart block with p= 0.0001, 0.02, 0.01 and 0.001. Conclusion: Acute coronary syndrome with arrhythmia is a well-encountered complication presenting to the chest pain and coronary care units. Age group 30-45, higher BMI, and DM have significant association with different types of arrhythmias seen in patients admitted with ACS and PVC is the most common arrhythmia seen in ACS.

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