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Wide QRS

Ko Jum Suk, MD, PhD Wonkwang university school of medicine and hospital

ECG description of tachycardia

1.Regular narrow QRS tachycardia 2.Irregular narrow QRS tachycardia 3.Regular wide QRS tachycardia 4.Irregular Wide QRS tachycardia

Wonkwang university school of medicine and hospital Palpitation

Wonkwang university school of medicine and hospital Palpitation : terminated by adenosine

Adenosine

Wonkwang university school of medicine and hospital Abnormal rhythm during TMT

Wonkwang university school of medicine and hospital Palpitation with collapse

Wonkwang university school of medicine and hospital Normal conduction system

Wonkwang university school of medicine and hospital Possible mechanisms of narrow QRS tachycardia (1)

Sinus tachycardia

Atrial tachycardia

Junctional tachycardia

Atrial

Wonkwang university school of medicine and hospital Possible mechanisms of narrow QRS tachycardia (2)

Atrial flutter

AVNRT

AVRT

ILVT

Wonkwang university school of medicine and hospital Possible mechanisms of wide QRS tachycardia

Ventricular tachycardia SVT with aberrant conduction AF with preexcitation AVRT(antidromic tachycardia)

Wonkwang university school of medicine and hospital Possible mechanisms of wide QRS tachycardia

Ventricular tachycardia SVT with aberrant conduction AF with preexcitation AVRT(antidromic tachycardia)

Wonkwang university school of medicine and hospital 28/F palpitation

Wonkwang university school of medicine and hospital AV dissociation

SAN A AVN                     V

Wonkwang university school of medicine and hospital RFCA

Wonkwang university school of medicine and hospital 87/M palpitation

Wonkwang university school of medicine and hospital Fusion/Capture beat

Wonkwang university school of medicine and hospital 35/F syncope

Wonkwang university school of medicine and hospital TMT

Wonkwang university school of medicine and hospital RVOT VT

Wonkwang university school of medicine and hospital RVOT VT

Wonkwang university school of medicine and hospital 43/M chest pain

Wonkwang university school of medicine and hospital PCI

Wonkwang university school of medicine and hospital Rhythm change after reperfusion

Wonkwang university school of medicine and hospital VT or SVT?

• Axis character

– Rt. Sup. Axis (northwest axis, no man’s area),

– RBBB c Lt axis deviation, LBBB c Rt. Axis deviation

– Axis shift more than 40 degree

Wonkwang university school of medicine and hospital 28/F palpitation

Wonkwang university school of medicine and hospital Concordance

Posterior Posterior

V6 V6

V1 V1 Anterior Anterior

Wonkwang university school of medicine and hospital Concordance

Wonkwang university school of medicine and hospital Morphology

Wonkwang university school of medicine and hospital 70/M palpitation

Wonkwang university school of medicine and hospital Response to adenosine

Wonkwang university school of medicine and hospital EPS : AVNRT with BBB

Wonkwang university school of medicine and hospital 50/M palpitation

*

Wonkwang university school of medicine and hospital Response to adenosine

Wonkwang university school of medicine and hospital Response to adenosine

*

Wonkwang university school of medicine and hospital After CTI block

Wonkwang university school of medicine and hospital 28/F palpitation

Wonkwang university school of medicine and hospital 68/M palpitation

Wonkwang university school of medicine and hospital After cardioversion

Wonkwang university school of medicine and hospital 65/M palpitation

Wonkwang university school of medicine and hospital Adenosine

Wonkwang university school of medicine and hospital Adenosine

Wonkwang university school of medicine and hospital EPS : AVRT

Wonkwang university school of medicine and hospital 60/M dyspnea, palpitation

Wonkwang university school of medicine and hospital Telemetry

Wonkwang university school of medicine and hospital ECG after cardiooversion

Wonkwang university school of medicine and hospital PET scab

Wonkwang university school of medicine and hospital Palpitation with collapse

Wonkwang university school of medicine and hospital Electrical cardioversion

Wonkwang university school of medicine and hospital ECG after cardioversion

Wonkwang university school of medicine and hospital Confirmation and Tx of substrate

Wonkwang university school of medicine and hospital Another case of irregular wide QRS tachycardia

Wonkwang university school of medicine and hospital Palpitation

Wonkwang university school of medicine and hospital Ashman phenomenon

• Wide complex QRS complexes that follow a short R-R interval preceded by a long R-R interval • Represents an aberrantly conducted complex rat her than a complex that originates in ventricle • Refractory period of bundle branch is proportion al to the R-R interval of the preceding cycle

Wonkwang university school of medicine and hospital 67/F syncope

Wonkwang university school of medicine and hospital Telemetry

Wonkwang university school of medicine and hospital Polymorphic VT

정의 : twisting of the points  크기가 다른 QRS군이 기선을 중심으로 회전하며 바뀌는 심실빈맥  QT prolongation(>500ms) : prolonged ventricular repolarization  CAVB에 의한 bradycardia에서 발생할수 있음

Long QT Polymorphic VT

Wonkwang university school of medicine and hospital 21/F SCD #01165849

Wonkwang university school of medicine and hospital Telemetry

Wonkwang university school of medicine and hospital ECG after cardioversion

Wonkwang university school of medicine and hospital ICD

Wonkwang university school of medicine and hospital ECG F/U

Wonkwang university school of medicine and hospital