Hypokalaemia
Hypokalaemia causes typical ECG changes of widespread ST depression, T wave inversion, and prominent U waves, predisposing to malignant ventricular arrhythmias
Tag ECG Library
ST depression does not localise
This review will change your approach to localised ST depression on the ECG, which on its own does not accurately localise ischaemia, and may be the first sign of subtle occlusion
Developing Visual Expertise in ECG Interpretation
EM attendings are generally faster and more accurate at ECG interpretation than residents and medical students. But how are they able to process this information so much quicker while maintaining accuracy?
Pre-excitation syndromes
Wolff-Parkinson-White (WPW) Syndrome is a combination of the presence of a congenital accessory pathway and episodes of tachyarrhythmias
Left Anterior Fascicular Block (LAFB)
In left anterior fascicular block (LAFB), impulses are conducted to the left ventricle via the posterior fascicle, producing characteristic ECG changes
Left Posterior Fascicular Block (LPFB)
Left posterior fascicular block LPFB (left posterior hemiblock), impulses are conducted to the left ventricle via the left anterior fascicle
Right Ventricular Outflow Tract Tachycardia
A review of the ECG features of right ventricular outflow tract tachycardia (RVOT), a type of VT, with example ECGs.
Hypomagnesaemia
Isolated low serum Mg levels are associated with atrial depolarisation and ventricular repolarisation abnormalities, predisposing to ventricular arrhythmias
Trifascicular Block
Trifascicular block (TFB) refers to the presence of conducting disease in all three fascicles: RBBB, LAFB, LPFB. LITFL ECG Library
ECG Axis Interpretation
ECG Axis. Hexaxial QRS Axis analysis for dummies. Quick and easy method of estimating ECG axis with worked examples and differential diagnoses
Left Bundle Branch Block (LBBB)
Left Bundle Branch Block LBBB - normal direction of septal depolarisation is reversed (becomes right to left), as the impulse spreads
Spodick sign
Spodick Sign: Stage I Pericarditis, a downsloping of the TP line. Described 1974 by American Cardiologist, David H Spodick (1927 – 2019)