Le basi dell elettrocardiogramma. Michela Bevilacqua Gianfranco Buja

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Transcription:

Le basi dell elettrocardiogramma Michela Bevilacqua Gianfranco Buja

Sistema di conduzione e Trasmissione elettrica Fascio di Bachman Fascio di His 1 Nodo seno atriale 2 Branca sinistra 3 Branca destra Fibre di Purkinje

ECG Einthoven in Leiden with the original galvanometer, 1906

S.Scheidt and JA Erlebacher. Illustr: FH Netter. 1991

Rappresentazione schematica dello stato elettrico della cellula miocardica

Potenziale d azione

fronte d onda di depolarizzazione ECCITAZIONE o DEPOLARIZZAZIONE D Dubin, Rapid interpretation of EKG s. 4 ed italiana

fronte d onda di depolarizzazione D Dubin, Rapid interpretation of EKG s. 4 ed italiana

fronte d onda di depolarizzazione D Dubin, Rapid interpretation of EKG s. 4 ed italiana

deflessioni positive e negative D Dubin, Rapid interpretation of EKG s. 4 ed italiana

deflessioni positive e negative R R Q S Q D Dubin, Rapid interpretation of EKG s. 4 ed italiana

Tratto (segmento) S-T D Dubin, Rapid interpretation of EKG s. 4 ed italiana

Onda T D Dubin, Rapid interpretation of EKG s. 4 ed italiana

Ciclo cardiaco completo onda T D Dubin, Rapid interpretation of EKG s. 4 ed italiana

Triangolo di Einthoven D Dubin, Rapid interpretation of EKG s. 4 ed italiana

DERIVAZIONI PERIFERICHE D1 D2 D3 D Dubin, Rapid interpretation of EKG s. 4 ed italiana

D Dubin, Rapid interpretation of EKG s. 4 ed italiana

MD Sorbo e E Piccolo, 2003

MD Sorbo e E Piccolo, 2003

DERIVAZIONI PERIFERICHE D1, D2, D3 AVR, AVL, AVF D Dubin, Rapid interpretation of EKG s. 4 ed italiana

MD Sorbo e E Piccolo, 2003

ECG standard a 12 derivazioni D Dubin, Rapid interpretation of EKG s. 4 ed italiana

PIANO ORIZZONTALE DERIVAZIONI PRECORDIALI D Dubin, Rapid interpretation of EKG s. 4 ed italiana

MD Sorbo e E Piccolo, 2003

D Dubin, Rapid interpretation of EKG s. 4 ed italiana

Chest Leads Emphasis: V1 & V2 = Right Side of Heart V2 & V3 = Interventricular Septum Emphasis: V5 & V6 = Left Side of Heart

Asse elettrico-conduzione normale Piano frontale Piano orizzontale

V1 V6

MD Sorbo e E Piccolo, 2003

MD Sorbo e E Piccolo, 2003

S.Scheidt and JA Erlebacher. Illustr: FH Netter. 1991

S.Scheidt and JA Erlebacher. Illustr: FH Netter. 1991

S.Scheidt and JA Erlebacher. Illustr: FH Netter. 1991

S.Scheidt and JA Erlebacher. Illustr: FH Netter. 1991

S.Scheidt and JA Erlebacher. Illustr: FH Netter. 1991

S.Scheidt and JA Erlebacher. Illustr: FH Netter. 1991

MD Sorbo e E Piccolo, 2003

S.Scheidt and JA Erlebacher. Illustr: FH Netter. 1991

S.Scheidt and JA Erlebacher. Illustr: FH Netter. 1991

Calcolo della frequenza cardiaca D Dubin, Rapid interpretation of EKG s. 4 ed italiana

Determination of Heart Rate Summary

R-R Interval Method (ms bpm) Measure cycle length (interval) in milliseconds (ms) Heart rate = 60,000 ms cycle length 60,000 880 = bpm = 68 bpm

S.Scheidt and JA Erlebacher. Illustr: FH Netter. 1991

S.Scheidt and JA Erlebacher. Illustr: FH Netter. 1991

S.Scheidt and JA Erlebacher. Illustr: FH Netter. 1991

S.Scheidt and JA Erlebacher. Illustr: FH Netter. 1991

S.Scheidt and JA Erlebacher. Illustr: FH Netter. 1991

S.Scheidt and JA Erlebacher. Illustr: FH Netter. 1991

S.Scheidt and JA Erlebacher. Illustr: FH Netter. 1991

S.Scheidt and JA Erlebacher. Illustr: FH Netter. 1991

S.Scheidt and JA Erlebacher. Illustr: FH Netter. 1991

S.Scheidt and JA Erlebacher. Illustr: FH Netter. 1991

S.Scheidt and JA Erlebacher. Illustr: FH Netter. 1991

S.Scheidt and JA Erlebacher. Illustr: FH Netter. 1991

S.Scheidt and JA Erlebacher. Illustr: FH Netter. 1991

S.Scheidt and JA Erlebacher. Illustr: FH Netter. 1991

BLOCCO DI BRANCA DESTRA

S.Scheidt and JA Erlebacher. Illustr: FH Netter. 1991

BLOCCO DI BRANCA SINISTRA

S.Scheidt and JA Erlebacher. Illustr: FH Netter. 1991

S.Scheidt and JA Erlebacher. Illustr: FH Netter. 1991

S.Scheidt and JA Erlebacher. Illustr: FH Netter. 1991

S.Scheidt and JA Erlebacher. Illustr: FH Netter. 1991

S.Scheidt and JA Erlebacher. Illustr: FH Netter. 1991

S.Scheidt and JA Erlebacher. Illustr: FH Netter. 1991

S.Scheidt and JA Erlebacher. Illustr: FH Netter. 1991

S.Scheidt and JA Erlebacher. Illustr: FH Netter. 1991

S.Scheidt and JA Erlebacher. Illustr: FH Netter. 1991

S.Scheidt and JA Erlebacher. Illustr: FH Netter. 1991

MD Sorbo e E Piccolo, 2003

S.Scheidt and JA Erlebacher. Illustr: FH Netter. 1991

S.Scheidt and JA Erlebacher. Illustr: FH Netter. 1991

S.Scheidt and JA Erlebacher. Illustr: FH Netter. 1991

S.Scheidt and JA Erlebacher. Illustr: FH Netter. 1991

S.Scheidt and JA Erlebacher. Illustr: FH Netter. 1991

S.Scheidt and JA Erlebacher. Illustr: FH Netter. 1991

The Triplicate Method