the basic’s of a 12 lead ecg...the basic’s of a 12 lead ecg author kalah banneel created date...
Post on 16-Jul-2020
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STEMI
NSTEMI
Still a MI however no ST changes will be seen. Bloods will show an increase in troponin
indicating damage to the myocardium. Can have T wave changes and ST depression
ST Depression
Usually happens in patients with stable angina and is seen when exercising
URGENT ECGs
1. Arrhythmias
- Ventricular fibrillation
Ventricular tachycardia
2. Pauses
- Sinus arrest
- Asystole
Have a go
5 ECGs
Measure the heart rate, rhythm and any
abnormalities you can spot
Answers 1. Inferior STEMI
Obvious ST elevation in leads II, III and aVF. Reciprocal changes of ST depression seen
Slight elevation in other leads: Indication of a severe widespread MI
HR 90bpm.
2. Sinus tachycardia
Heart rate of approx. 144bpm (24 times 6). Everything else is all within normal limits.
3. Atrial fibrillation
Irregularly irregular- no pattern. HR 78bpm.
4. Right bundle branch block with a long PR interval
‘RSR’ pattern in V1. QRS widen (approx. 160ms). PR interval prolonged (approx. 320ms - 8 small squares times 40). HR 72bpm
(12x6)
5. Sinus rhythm with Ves
Normal rate, normal complexes just a couple of ventricular ectopic's. HR 54bpm.
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