the basic’s of a 12 lead ecg...the basic’s of a 12 lead ecg author kalah banneel created date...
TRANSCRIPT
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STEMI
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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
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ST Depression
Usually happens in patients with stable angina and is seen when exercising
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URGENT ECGs
1. Arrhythmias
- Ventricular fibrillation
Ventricular tachycardia
2. Pauses
- Sinus arrest
- Asystole
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Have a go
5 ECGs
Measure the heart rate, rhythm and any
abnormalities you can spot
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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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Questions?