Key result
Ventricular fibrillation occurs in 27% of MI patients as the most frequently observed arrhythmia.
Why the study?
Myocardial ischemia and infarction cause electrophysiological changes predisposing patients to arrhythmias, which are common and a leading cause of pre-hospital death in acute myocardial infarction.
Cross-Sectional (n=150)
No
Cardiac arrhythmias are highly prevalent (90%) in the first 48 hours post-myocardial infarction, with specific risk factors like diabetes and hypertension significantly correlating with atrial and ventricular fibrillation, respectively.
Answers are grounded in this paper and cite their sources.
Supports heightened arrhythmia monitoring post-MI; leaves open prospective validation of prevalence and outcomes.
Introduction : Acute myocardial infarction is one of the leading causes of death in the developed world. The spread of the disease approaches three million people worldwide, with more than one million deaths in the United States annually. Myocardial ischemia and infarction can cause electrophysiological and metabolic changes causing asymptomatic or even life-threatening arrhythmias. About 75% of acute myocardial infarction (AMI) patients experience arrhythmias during the peri-infarction period. The most common cause of death in patient with AMI in pre-hospitalization is ventricular tachycardia/ventricular fibrillation (VT/VF(. METHODS : A cross-sectional study targeting 150 patients with myocardial infarction attending Damascus Hospital. According to certain acceptance and exclusion criteria. Results : The sample consisted of 150 patients who suffered from heart infarction, the mean age of patients in the sample was 59.41 years with a standard deviation of 11.02 years, the oldest age in the sample patients was 90 years, and the youngest age was 28 years. Males constituted the largest portion of patients, with 112 males, 75%, and 38 females, 25%. About 90% of patients with acute myocardial infarction (AMI) develop some form of arrhythmia during or immediately after the event, and in 25% of patients, these arrhythmias appear within the first 24 hours. Heartbeat early in the course of acute coronary syndrome (ACS). Recommendations : One of the most important recommendations of our study is the necessity of keeping the patient under observation for at least 48 hours after myocardial infarction within the hospital to monitor the ECG over a period of 24 hours (Holter) in order to detect arrhythmias. Detection of arrhythmias in every patient with extensive anterior, lateral, or posterior myocardial infarction. And the need to know and take into account ventricular fibrillation and how to manage it in every patient with a heart infarction. And conducting future studies, including a larger number of patients, to study cardiac arrhythmias more precisely.
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Khatib et al. (2023) conducted a cross-sectional in Myocardial Infarction (STEMI) (n=150). Among patients with myocardial infarction, ventricular fibrillation was the most frequently observed arrhythmia, occurring in 27% of patients, followed by atrial fibrillation in 20%.
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