10 Common ECG Patterns & Abnormalities

We look at the most common ECG rhythms and patterns seen in Medicine, including main identifying features of each. 

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Recommended sources for further reading:
https://litfl.com/ecg-library/
https://ecgwaves.com/

Timestamps:
0:00 Sinus Rhythm (Sinus Tachycardia & Sinus Bradycardia
1:06 Atrial Fibrillation 2:35 – AF video link
2:38 Atrial Flutter
4:26 Premature Ventricular Contraction (PVCs) & Premature Atrial Contractions (PACs)
5:40 Bundle Branch Block (LBBB & RBBB) 
6:41 1st Degree AV Block
7:03 2nd Degree AV Block - Mobitz 1 (Wenckebach) & Mobitz 2 (Hay)
7:39 3rd Degree Heart Block (Complete Heart Block) 8:15 Heart Block Video Link
8:19 Ventricular Tachycardia & Ventricular Fibrillation
10:20 ST Elevation

References:

1. Nickson, C - Life in the Fast Lane (2023) Atrial Fibrillation. Available at https://litfl.com/atrial-fibrillation/
2. Buttner, R. Burns, E - Life in the Fast Lane (2022) Atrial Flutter. Available at https://litfl.com/atrial-flutter-ecg-library/
3. Larkin, J. Burns, E - Life in the Fast Lane (2021) AV Block: 1st Degree. Available at https://litfl.com/first-degree-heart-block-ecg-library/
4. Burns, E. Buttner, R - Life in the Fast Lane (2021) AV Block: 2nd degree, Mobitz I (Wenckebach Phenomenon). Available at https://litfl.com/av-block-2nd-degree-mobitz-i-wenckebach-phenomenon/
5. Burns, E. Buttner, R - Life in the Fast Lane (2022) AV Block: 2nd degree, Mobitz II (Hay block). Available at https://litfl.com/av-block-2nd-degree-mobitz-ii-hay-block/
6. Larkin, J. Buttner, R. - Life in the Fast Lane (2023) AV Block: 3rd Degree. Available at https://litfl.com/av-block-3rd-degree-complete-heart-block/
7. Buttner, R. Burns, E - Life in the Fast Lane (2023) Ventricular Tachycardia – Monomorphic VT. Available at https://litfl.com/ventricular-tachycardia-monomorphic-ecg-library/
8. Burns, E. Buttner, R - Life in the Fast Lane (2022) The ST Segment. Available at https://litfl.com/st-segment-ecg-library/
9. British Heart Foundation Atrial Flutter and Atrial Fibrillation. Available at https://www.bhf.org.uk/informationsupport/heart-matters-magazine/medical/ask-the-experts/atrial-flutter
10. ECG Waves The ECG Book. Available at https://ecgwaves.com/course/the-ecg-book/

Please remember this podcast and all content from Rhesus Medicine is meant for educational purposes only and should not be used as a guide to diagnose or to treat. Please consult a healthcare professional for medical advice.