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ECG
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Page 1: ECG - univ.ency-education.comuniv.ency-education.com/uploads/1/3/1/0/13102001/cardio4an05-ecg_di… · P 8/100S Q 4/100S PR 12-20/100S QT 40/100S (AGE ET SEXE) QRS 8/100S DUREE: 1

ECG

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Correspondance électromécanique du coeur

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PQ

R

S T

P 8/100S

Q 4/100S

PR 12-20/100S

QT 40/100S (AGE ET SEXE)

QRS 8/100SDUREE: 1 PETIT CARREAU = 4/100S

DEPOLARISATION OREILLETTES

DEPOLARISATION DES VENTRICULES

REPOLARISATION DES VENTRICULES

COMPLEXES ET DUREES

QRS

QTPR

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VALIDATIONde L ’ ECG

LES 3 PIEGES A EVITER

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ETALONNAGE(Vitesse du papier)

50mm/s

25mm/s

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PARASITAGE

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INVERSION DES FILS LEFT & RIGHT

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ANALYSE de L ’ ECG

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Calcul de la Fréquence Cardiaque

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FC = 300/Nb de Carreaux

6

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Tachycardie (123 pulsations/min)

Bradycardie (46 pulsations/min)

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RYTHME CARDIAQUE

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RYTHME CARDIAQUE2 QUESTIONS

REGULIER OU IRREGULIER ?

SINUSAL OU NON SINUSAL ?

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RRREGULIER

SINUSAL

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IRREGULIER

NON SINUSAL

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IRREGULIER

SINUSAL

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CALCUL de L ’AXE du COEUR

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aVLaVR

aVF

TRIANGLE D ’EINTHOVEN WILSON

DI

DIIDIII

DOUBLE TRIAXE DE BAILEY

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DI

DIIDIII

aVLaVR

aVF

30*

+30°

Axe normal+90°

Axe Hyperdroit

Axe Gauche

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L ’ ONDE P

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HYPERTROPHIE DE L ’OD: P>2mm en HAUTEUR

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HAG

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HYPERTROPHIE BIAURICULAIRE: P en DII >2mm en LARGEUR et HAUTEUR

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Le Complexe QRS

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V1-V2

V1

V2

V3V4

V5

V6OD

OG

Bloc de Branche Droit

V5-V6

R

S

R ’

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BBD complet

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V1

V1

V2

V3V4

V5

V6OD

OG

Bloc de Branche Gauche

V6

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BLOC DE BRANCHE GAUCHE COMPLET

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BBGcomplet

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HVG Electrique

S en V1>20mm

R en V5V6>20mm

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R/S >1 en V1

Bloc de Branche Droit

S Profondes en V5-V6

Troubles de Repolarisation (V1 a V3)

HVD

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Segment STL ’Onde T

Troubles de la Repolarisation

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SOUS DECALAGE DE ST

LESION SOUS ENDOCARDIQUE

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ONDES T PLATES

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ESPACE PR

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LES BLOCSAURICULO-VENTRICULAIRES

(BAV)

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BLOC AURICULO VENTRICULAIRE 1ER DEGRE

PR=36/100s

ALLONGEMENT DU PR PERMANENT

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BLOC AURICULO VENTRICULAIRE 2eme DEGRE

TYPE I DE MOBITZ (PERIODES)

ALLONGEMENT PROGRESSIF DU PR JUSQU ’AU BLOCAGE AV

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BLOC AURICULO VENTRICULAIRE 2eme DEGRE

TYPE II DE MOBITZ (PERIODES)

CONDUCTION AV SE FAIT 1 FOIS/2 (OU 3 OU 4)

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BAV de 3e degré

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LE SD DU PR COURT

WOLF PARKINSON WHITE

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PR COURT

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TROUBLES DURYTHME

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EXTRASYSTOLE SUPRA VENTRICULAIRE EXTRASYSTOLE VENTRICULAIRE

COMPLEXE PREMATURE FIN COMPLEXE PREMATURE LARGE

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ESA

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ESV

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ESV BIGEMINEES

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ESV TRIGEMINEES

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ESV QUADRIGEMINEES

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TACHYCARDIE SUPRA VENTRICULAIRE (TSV)

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TACHYARYTHMIE ACFA (ABSENCE D ’ONDES P)

COMPLEXES FINS ET RYTHME IRREGULIER

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Le flutter auriculaire

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La tachycardie ventriculaire

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La fibrillation ventriculaire

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