989751
Descrição
Mapa Mental por bessimajamal, atualizado more than 1 year ago
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Criado por bessimajamal
quase 10 anos atrás
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ECG!
- P wave- atrial depolarisation
- PR interval - (0.12-0.20s, 3-5 squares)
- QRS complex- Ventricular depolarisation
- ST segment - pause in ventricular activity
- T wave- ventricular repolarisation
- T wave- ventricular repolarisation
- ST segment - pause in ventricular activity
- QRS complex- Ventricular depolarisation
- PR interval - (0.12-0.20s, 3-5 squares)
- Heart Block (PR interval >0.20s)
- 1st degree: PR delay is constant, and all P
waves followed by QRS complex
- 2nd degree
- Mobitz type 1: PR progressively
longer till one P wave not conducted
and no QRS, then reset
- Mobitz Type 2: PR interval
fixed and normal, occasional
P wave no QRS
- 2:1 block - every
alternate P wave
no QRS
- Mobitz type 1: PR progressively
longer till one P wave not conducted
and no QRS, then reset
- 3rd degree: Atrial P waves have no
relation to QRS complex (P waves
abnormal/absent, bradycardia, broad QRS)
- 1st degree: PR delay is constant, and all P
waves followed by QRS complex
- Atrial flutter: Atrial rate 300/min,
ventricular rate 150, sawtooth
baseline, AV block (2:1, 3:1,
4:1)
- AF: irregularly
irregular rhythm, no P
waves, QRS rate
170/min
- Ventricular tachy: Broad QRS, ventricular
rate >120, may degenerate into VF
- Re-entrant tachy:
Verticular rate 188,
narrow RS complex, P
waves halfway between
QRS complexes
- VF: chaotic rhythm, broad QRS , rate >190
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