…multiple QT prolonging medications, and drug accumulation secondary to renal or hepatic impairment or the inhibition of cytochrome P450 metabolism [1]. Nonmodifiable risk factors encompass…

ECG Hypertrophy and dilatation ECG and clinical characteristics in right ventricular hypertrophy (RVH) Figure 1. ECG changes seen in left ventricular hypertrophy (LVH) and right…

…is characterized by a significant reorganization of the activation and recovery patterns within the left ventricle, resulting in a widened QRS complex and secondary ST…

…left ventricle is amplified. Secondary ST T changes in left sided leads Left ventricular hypertrophy is often accompanied by J point depression, downsloping ST segment…

…miscellaneous conditions Definition and pathophysiology Familial hypercholesterolaemia (FH) is an inherited disorder characterized by persistently elevated plasma low density lipoprotein cholesterol (LDL C) from early…

…and infarction ST segment depression due to acute myocardial ischemia ST segment depressions caused by ischemia are characterized by a horizontal or downsloping ST segment…

Arrhythmias and arrhythmology Emergency medicine Pharmacology & dosing Definition and Pathophysiology Bradycardia encompasses a spectrum of rhythm disturbances characterized by an inappropriately slow heart rate. Within…

…Heart failure with preserved ejection fraction (HFpEF) is a complex clinical syndrome characterized by the cardinal symptoms and signs of heart failure (HF) in the…

…ECG, clinical characteristics and management Pre excitation The atrioventricular node and bundle of His are normally the only communication between the atria and the ventricles…

…than by ejection fraction alone. Heart failure with preserved ejection fraction (HFpEF) is characterized by: Symptoms and/or signs of HF. A left ventricular ejection…