Physician

Cardiology

Doctor Stephen T. Denker, MD practices Cardiology. He researched medicine at University of Michigan Medical School. He over the years received 1 awards: "Fellow (FACC)". Stephen Denker is a published physician. He published 43 publications, including: 'Site of conduction delay during functional block in the His-Purkinje system in man.'

Publications

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• Functional characteristics of human macro-reentry: a study of "pre-excited" circuits by extrastimulus method.
• Electrophysiological determinants of antidromic reentry induced during Atrial extrastimulation. Insights from a pacing model of Wolff-Parkinson-White syndrome.
• Sustained bundle branch reentry as a mechanism of clinical tachycardia.
• Modulation of conduction and refractoriness in atrioventricular junctional reentrant circuit. Effect on reentry initiated by Atrial extrastimulus.
• Effects of abrupt changes in cycle length on Atrial refractory periods in man.
• Effect of concealed anterograde impulse penetration on retrograde atrioventricular nodal conduction in man.
• Effect of sudden rate acceleration on the human His-Purkinje system: adaptation of refractoriness in a dampened oscillatory pattern.
• Electrophysiologic mechanisms of orthodromic tachycardia initiation during ventricular pacing in the Wolff-Parkinson-White syndrome.
• The impact of electrophysiologic testing on patient management in a tertiary care, nonurban medical center.
• Unidirectional retrograde atrioventricular nodal block in man: determinants of reversibility by vagal antagonism.
• An electrocardiographic--electrophysiologic correlation of aberrant ventricular conduction in man.
• Transcatheter electrical ablation of right bundle branch. A method of treating macroreentrant ventricular tachycardia attributed to bundle branch reentry.
• Electrophysiologic characteristics of sudden QRS axis deviation during orthodromic tachycardia. Role of functional fascicular block in localization of accessory pathway.
• Behavior of postextrasystolic His-Purkinje system refractoriness after multiple premature beats.
• Useful clinical criteria for the diagnosis of ventricular tachycardia.
• Divergence between refractoriness of His-Purkinje system and ventricular muscle with abrupt changes in cycle length.
• Facilitation of macroreentry within the His-Purkinje system with abrupt changes in cycle length.
• Functional His-Purkinje system behavior during sudden ventricular rate acceleration in man.
• Effect of amiodarone on conduction and refractoriness of the His-Purkinje system in the human Heart.
• Effect of atrioventricular sequential pacing in patients with no ventriculoAtrial conduction.
• Effects of abrupt changes in cycle length on refractoriness of the His-Purkinje system in man.
• Atrioventricular sequential pacing: differential effect on retrograde conduction related to level of impulse collision.
• Effect of verapamil on retrograde atrioventricular nodal conduction in the human Heart.
• Effects of alternating cycle lengths on refractoriness of the His-Purkinje system.
• Postextrasystolic alterations in refractoriness of the His-Purkinje system and ventricular myocardium in man.
• Electrophysiologic mechanisms of functional bundle branch block at onset of induced orthodromic tachycardia in the Wolff-Parkinson-White syndrome. Role of stimulation ...
• Retrograde concealed conduction in the atrioventricular node: differential manifestations related to level of intranodal penetration.
• Atrioventricular nodal conduction and refractoriness after intranodal collision from antegrade and retrograde impulses.
• Cryosurgical correction of Wolff-Parkinson-White syndrome using the closed Heart technique.
• Site of conduction delay during functional block in the His-Purkinje system in man.
• Functional characteristics of retrograde conduction in a pacing model of "endless loop tachycardia".
• Patterns of human atrioventricular nodal accommodation to a sudden acceleration of Atrial rate.
• Absence of significant postdefibrillation bradyArrhythmias in patients with automatic implantable defibrillators.
• Macro-reentry within the His Purkinje system.
• Value of preexisting bundle branch block in the electrocardiographic differentiation of supraventricular from ventricular origin of wide QRS tachycardia.
• Facilitation of ventricular tachycardia induction with abrupt changes in ventricular cycle length.
• Linking: a dynamic electrophysiologic phenomenon in macroreentry circuits.
• Role of cardiac electrophysiologic studies in patients with unexplained recurrent Syncope.
• Incidence and clinical significance of ventricular Fibrillation induced with single and double ventricular extrastimuli.
• Abnormal abdominal computerized tomography with amiodarone therapy and clinical significance.
• Normal electrophysiologic responses of the human Heart.
• Efficacy and safety of ibutilide fumarate for the conversion of atrial Arrhythmias after cardiac surgery.

Schools

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• University Of Michigan Medical School

• Sw Mich Area Health Ed Center

• Mt Sinai Med Center

Procedures Preformed

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• Cardiac Imaging
• Cardiac Myocardial Perfusion Imaging
• Cardioversion, Elective
• Cardioverter-Defibrillator or Pacemaker Insertion, Removal or Repair
• View All

Conditions Treated

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• Aortic Valve Disease
• Arrhythmias (incl. Atrial Fibrillation)
• Cardiomegaly
• Cardiomyopathy
• View All

Doctors Specialties

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• Cardiology

Accepted Insurances

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Awards

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• Fellow (FACC)

Education

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• Michigan State University at Kalamazoo
• University of Michigan Medical School

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