Modified limb lead ECG system effects on electrocardiographic wave amplitudes and frontal plane axis in sinus rhythm subjects.

Objective: Modified Limb Lead (MLL) ECG system may be used during rest or exercise ECG, or atrial activity enhancement. Because of modification in the limb electrode placement, changes are likely to happen in ECG wave amplitudes and frontal plane axis, which may alter the clinical limits of normality and ECG diagnostic criteria. The present study investigated the effects of the modified limb electrode position on the electrocardiographic waveforms, ST segment amplitudes (STa) and frontal plane axis.

Unmasking of atrial repolarization waves using a simple modified limb lead system.

Objective: In the present study, a modified limb lead (MLL) system was used to record the Ta wave in sinus rhythm and with AV block in male patients.

Methods: Eighty male subjects (mean age 36 ± 7 years) in sinus rhythm and 20 male patients with AV block (mean age 72 ± 5 years) were included in this study. Standard limb lead (SLL) ECGs and MLL ECGs were recorded for 60 seconds each with an EDAN SE-1010 PC ECG system.

High incidence of glucose intolerance in Asian-Indian subjects with acute coronary syndrome.

Objective: The risk of diabetes and coronary heart disease is high in Asian Indians. In this study, we aim to assess 1) the prevalence of hyperglycemia in incident acute coronary syndrome (ACS), 2) the effect of glycemia on the outcome, and 3) the association of plasma levels of insulin and proinsulin with ACS.

Research Design And Methods: A total of 146 nondiabetic subjects (121 men, 25 women) with ACS admitted to two hospitals in 1 year were enrolled.