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Showing 1 to 12 of 16106 entries
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Body surface isopotential mapping of the entire QRST complex in the Wolff-Parkinson-White syndrome. Correlation with the location of the accessory pathway.

American heart journal

Giorgi C, Nadeau R, Savard P, Shenasa M, Pagé PL, Cardinal R.
PMID: 2017977
Am Heart J. 1991 May;121(5):1445-53. doi: 10.1016/0002-8703(91)90151-7.

Body surface potential maps were recorded during sinus rhythm and during atrial pacing at the time of electrophysiologic studies in 42 patients with Wolff-Parkinson-White syndrome. The locations of the accessory pathways were determined by epicardial mapping during surgery in...

Atrioventricular nodal reentry in the Wolff-Parkinson-White syndrome.

Journal of electrocardiology

Yee R, Klein GJ.
PMID: 2411836
J Electrocardiol. 1985 Jul;18(3):295-7. doi: 10.1016/s0022-0736(85)80054-6.

Although supraventricular tachycardia in the Wolff-Parkinson-White (WPW) syndrome is generally due to atrioventricular reentry, the presence of the accessory pathway does not preclude other mechanisms of tachycardia. We observed AV nodal reentry in three of 95 consecutive patients (3.1%)...

Facioscapulohumeral muscular dystrophy: evidence for selective, genetic electrophysiologic cardiac involvement.

Journal of the American College of Cardiology

Stevenson WG, Perloff JK, Weiss JN, Anderson TL.
PMID: 2299071
J Am Coll Cardiol. 1990 Feb;15(2):292-9. doi: 10.1016/s0735-1097(10)80052-x.
Free Article

Facioscapulohumeral muscular dystrophy is an autosomal dominant disorder with an incidence of 3 to 10 cases per million. The only type of cardiac involvement ascribed to this neuromuscular disorder is a unique form of heart disease--permanent atrial paralysis. However,...

Efficacy of three-channel ambulatory electrocardiographic monitoring for the detection of myocardial ischemia.

American heart journal

Shandling AH, Bernstein SB, Kennedy HL, Ellestad MH.
PMID: 1736564
Am Heart J. 1992 Feb;123(2):310-6. doi: 10.1016/0002-8703(92)90640-h.

The recognition of silent myocardial ischemia (SMI) has been demonstrated to have important clinical relevance. Two-channel ambulatory (Holter) electrocardiographic recording is a commonly utilized method for detecting transient electrocardiographic ST segment changes representative of SMI. It has been suggested...

Efficacy of intravenous sotalol for suppressing inducibility of supraventricular tachycardias at rest and during isometric exercise.

The American journal of cardiology

Huikuri HV, Koistinen MJ, Takkunen JT.
PMID: 1736614
Am J Cardiol. 1992 Feb 15;69(5):498-502. doi: 10.1016/0002-9149(92)90993-9.

The efficacy of intravenous sotalol (1 mg/kg) for suppressing inducibility of supraventricular tachycardias (SVT) with different electrophysiologic mechanisms was studied in 30 consecutive patients referred for an electrophysiologic study because of paroxysmal SVT. Orthodromic SVT using accessory atrioventricular (AV)...

Effects of hypoxia on atrioventricular node of adult and neonatal rabbit hearts.

The American journal of physiology

Young ML, Tan RC, Ramza BM, Joyner RW.
PMID: 2719132
Am J Physiol. 1989 May;256(5):H1337-43. doi: 10.1152/ajpheart.1989.256.5.H1337.

We used an isolated perfused heart model to assess the effects of graded hypoxia (95, 45, 20, 10, or 0% O2, exposure for 5 min) on the adult and neonatal (0-3 days) rabbit atrioventricular (AV) node. The AV nodal...

Excitation-contraction coupling in heart failure.

Hospital practice (Office ed.)

Lakatta EG.
PMID: 1677009
Hosp Pract (Off Ed). 1991 Jul 15;26(7):85-8, 91-8. doi: 10.1080/21548331.1991.11704209.

A central feature of the excitation-contraction cycle-myocardial Ca2+ handling--is altered in humans with cardiomyopathy. Many adaptive changes in excitation-contraction mechanisms observed in aged or hypertensive animals also supervene in the failing human heart. Heart failure may thus emerge when...

Oxygenated cardioplegia ameliorates the adverse effects of small amplitude electrical recording of activity on myocardial metabolic and functional recovery.

European journal of cardio-thoracic surgery : official journal of the European Association for Cardio-thoracic Surgery

Landymore RW, Marble AE, MacAulay MA, Li QY, Fris J.
PMID: 2018647
Eur J Cardiothorac Surg. 1991;5(1):37-40. doi: 10.1016/1010-7940(91)90081-t.

UNLABELLED: Small amplitude electrical activity has been recorded from the myocardium during cardioplegic arrest in the absence of electromechanical activity. The presence of persistent electrical activity has been associated with impaired myocardial metabolic and functional recovery. To determine whether...

Cardiac anaphylaxis: the role of different mediators. Part I: Histamine.

Allergologia et immunopathologia

Da Silva Machado FR, Assem ES, Ezeamuzie CI.
PMID: 2412425
Allergol Immunopathol (Madr). 1985 May-Jun;13(3):259-72.

The main objective of this paper is to review the literature and to present experimental evidence concerning the mediators involved in immediate hypersensitivity reactions in the heart, that is in Cardiac Anaphylaxis. In Part I, the evidence for allergic...

Use of the signal-averaged ECG to predict maximum ventricular tachycardia rate.

Journal of electrocardiology

Tyson AA, Edwards RR, Matista JF, Mumma M, Haisty WK.
PMID: 2090737
J Electrocardiol. 1990;23:164-8. doi: 10.1016/0022-0736(90)90096-k.

Rapid ventricular tachycardia is poorly tolerated, and estimation of maximum ventricular tachycardia rate prior to programmed ventricular stimulation is difficult. A method to estimate maximum ventricular tachycardia rate using late potential duration from the signal-averaged ECG and ventricular functional...

Characterization of spontaneous termination of sustained ventricular tachycardia associated with coronary artery disease.

The American journal of cardiology

Callans DJ, Marchlinski FE.
PMID: 1986504
Am J Cardiol. 1991 Jan 01;67(1):50-4. doi: 10.1016/0002-9149(91)90098-6.

To characterize the change in cycle length and QRS morphology before spontaneous termination of sustained ventricular tachycardia (VT), electrocardiograms were recorded and VT cycle length measured for the periods 31 to 21 and 11 to 1 beats before termination...

[Silent myocardial ischemia].

Zeitschrift fur Kardiologie

Roskamm H, Droste C.
PMID: 2686255
Z Kardiol. 1989;78:145-9; discussion 159.

As an introduction the main aspects concerning clinical picture, subgroups, pathophysiology, frequency, prevalence and incidence, diagnosis, prognosis and therapy of silent ischemia are summarized: 1) CLINICAL PICTURE: Transient silent ischemia (SMI), silent infarction, relationship to sudden cardiac death, ischemic...

Showing 1 to 12 of 16106 entries