Inflammation of the pericardium secondary to infection, localised injury or systemic disorders, producing characteristic chest pain, dyspnoea and serial ECG changes.
ECG changes and signs of myocardial ischaemia seen with non-ST-elevation acute coronary syndromes (NSTEACS). EKG LIbrary LITFL
A review of the ECG features of multifocal atrial tachycardia (MAT) with EKG examples. Life in the Fast Lane ECG Library
Low QRS Voltage. QRS amplitude in all limb leads < 5 mm; or in all precordial leads < 10 mm. LITFL ECG Library
ST elevation in aVR indicates subendocardial ischaemia due to O2 supply/demand mismatch - causes can be cardiac and non-cardiac
Myocardial infarction diagnosis in the presence of left bundle branch block (LBBB) or ventricular paced rhythm. Sgarbossa Criteria
ECG features and causes of left axis deviation (LAD) using the hexaxial reference system. QRS axis between -30 and -90 degrees
Premature Junctional Complex (PJC) - premature beat arising from an ectopic focus within the AV junction. LITFL EKG library
Review of the different causes of Intraventricular conduction delay. QRS duration > 100 ms in the presence of a supraventricular rhythm.
A review of the different types of supraventricular tachycardia (SVT) with a focus on AV-nodal re-entry tachycardia (AVNRT).
ECG features of Idiopathic Fascicular Ventricular Tachycardia. AKA Belhassen-type VT, verapamil-sensitive VT or infrafascicular tachycardia.
Massive pericardial effusion produces a characteristic ECG triad of low QRS voltage, tachycardia, and electrical alternans. LITFL ECG Library