Background:Acute myocardial infarction (MI) is associated with high mortality and among survivors have high morbidity. Electrocardiogram (ECG), a cost-effective and easily available, has traditionally been used not only just for diagnosis of MI but also for culprit vessel recognition and for prognostication. However, the role of lead augmented vector right (aVR) and leads V7–V9 in acute MI are often neglected in clinical practice. We studied the role of lead aVR and leads V7–V9 in ST-elevation MI (STEMI) patients.Methods:A total of 209 patients presenting with STEMI were enrolled in the study. History of comorbid conditions and habits was enquired. Routine blood tests were performed. Full spectrum ECG (including V7–9) and 2D-ECHO was performed on all patients. All the patients underwent revascularization by primary percutaneous coronary intervention. The role of lead aVR, lead V7, and leads V8–9 was analyzed in anterior wall MI (AWMI) and inferior wall MI. All the patients were followed up for 1 month for outcome assessment.Results:Of the 209 patients, 85.1% were males and 35.8% were diabetic, 60.2% were smokers, AWMI accounted for 55.5%. Lead aVR ST deviation was noted in 75.1% of patients (elevation in 17.7% and depression in 47.1%). V7 ST elevation occurred in 27.6% and V8–9 elevation occurred in 7.5% of the study population. Total death was 11.9% in the study (including the in-hospital mortality), all these patients had lead aVR ST segment deviation (P < 0.001).Conclusion:Lead aVR ST deviation and Lead V7 ST deviation helps to prognosticate the STEMI patients as high risk and those with aVR ST depression had higher mortality compared to aVR ST elevation because of larger myocardial involvement.

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CONCLUSIONShone's complex and Cortriatriatum sinister are rare congenital anomalies and the combination is extremely rare. cardiac imaging modalities, mainly two dimensional transthoracic and colour doppler studies, tran- Shone's complex and Cortriatriatum Sinister: A Rare Combination. ABSTRACTShone's complex is a Congenital Heart Disease (CHD), consisting of multiple levels of left sided obstructive lesions including supravalvular mitral membrane (SVMM), parachute mitral valve, subaortic stenosis and coarctation of aorta. Cortriatriatum sinister is a rare congenital defect in which a membrane divides LA into two distinct chambers. These two congenital malformations are rare and their occurrence together is still rarer. We report a 1 year 3 month old male baby with h/o failure to thrive, recurrent Respiratory Tract Infection & developmental delay. Presented with rarer combination of shone's complex and cortriatriatum sinister.