Ashman Phenomenon
Ashman phenomenon (1947) aberrant ventricular conduction, usually of RBBB morphology, which follows a short RR interval and preceeded by a relatively prolonged RR interval.
Tag ECG Library
The power of social media leads to reversal
Christopher Watford contacted the LITFL team with a query regarding a Visual Aid Question (VAQ) from the first sitting of the 2007 examination ACEM examination. We set about investigating the query using the power of social media… For me, this…
Super Axis Man SAM
For our healthcare student friends, and anyone else fighting the AXIS of evil! Super Axis Man (SAM) is here to help understand Axis on the ECG
Quetiapine Toxicity
A classic toxicological ECG demonstrating the key electrophysiological changes seen with quetiapine overdose.
Lead reversal: Left arm/right arm
ECG features of Upper Limb Lead reversal - left arm/right arm lead reversal. Einthoven's triangle flips 180 degrees horizontally around an axis formed by lead aVF.
MI Localization
ST depression from subendocardial ischemia does not localise... look for a reciprocal STEMI! ECG anatomy correlation MI localization
Ventricular Tachycardia – Monomorphic VT
Definition, mechanism, and clinical significance of ventricular tachycardia (VT). Typical ECG findings with examples of monomorphic VT
Ventricular Flutter
Ventricular Flutter. Extreme form of VT with loss of organised electrical activity. Short lived with progression to ventricular fibrillation
Inferior STEMI
A review of the ECG features of inferior STEMI, Inferior ST elevation myocardial infarction LITFL ECG Library
Tricyclic Overdose
A review of the ECG features seen in TCA overdose, which occur due to a combination of sodium channel blockade and antimuscarinic effects
Sinus tachycardia
Sinus rhythm with resting heart rate (HR) > 100 bpm in adults, or above the normal range for age in children
Sinoatrial Exit Block
Sinoatrial exit block - failed propagation of pacemaker impulses beyond the SA node with intermittent failed atrial depolarisation (dropped P waves)