منابع مشابه
A Wide QRS Complex, Long RP Tachycardia:
A 78-year-old man underwent an electrophysiologic procedure because of a 25-year history of recurrent episodes of paroxysmal tachycatdia. A wide QRS complex tachycardia that had a long RP interval wa.s induced by ventricular pacing (Fig. 1). The cycle length of the tachycardia was 540 msec. An atrial extrastitiiulus introduced in the high right atrium during the first half of diastole terminate...
متن کاملWide QRS Complex Tachycardia
A 71-year-old man with a history of previous myocardial infarction was referred to our hospital for recurrent symptoms of palpitation and syncope. During an episode of palpitations, a 12-lead ECG (Figure 1) was obtained in the emergency room. The ECG shows a wide-QRS complex tachycardia at a rate of 167 bpm. The P waves are positive in lead II (↑) before each QRS complex, and the PR interval is...
متن کاملRegular, narrow QRS, long RP tachycardia – what is the mechanism?
We report the case of a 45-year-old male patient who was referred to our department due to palpitations for the last six months, with documented episodes of regular, long RP, narrow QRS tachycardias (Fig. 1). The patient had no history of structural heart disease, his transthoracic echocardiography demonstrated normal systolic and diastolic function and the thyroid function tests were within no...
متن کاملA Narrow QRS Complex Tachycardia:
An 80-year-old man underwent an electrophysiologic procedure because of recurrent episodes of supraventricular tachycardia. Episodes of nonsustained narrow QRS complex tachycardia occurred spontaneously after catheter placement. Examples of the onset and termination of an episode of tachycardia are shown in Figures 1 and 2, respectively. What is the mechanism of the tachycardia? What is the lev...
متن کاملAdenosine-Responsive wide QRS complex tachycardia: what is the mechanism?
A 45-year-old man presented with an acute anterior wall myocardial infarction and underwent successful percutaneous transluminal angioplasty of the left anterior descending coronary artery. Twenty-four hours later, a wide QRS tachycardia at a rate of 108 beats/min that had a QRS duration of 150 msec was noted by telemetric monitoring. There were no symptoms associated with the tachycardia. A 12...
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ژورنال
عنوان ژورنال: Journal of Cardiovascular Electrophysiology
سال: 1997
ISSN: 1045-3873,1540-8167
DOI: 10.1111/j.1540-8167.1997.tb01007.x