Search Results - "CASTELLANET, MARK"

True incidence of pacemaker syndrome by Heldman, D, Mulvihill, D, Nguyen, H, Messenger, J C, Rylaarsdam, A, Evans, K, Castellanet, M J

“…Although the purported incidence of pacemaker syndrome according to the literature is only 5%-15%, this is based on a series of patients with VVI pacing…”
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Significance of changes in R wave amplitude during treadmill stress testing: Angiographic correlation by Bonoris, Peter E., Greenberg, Paul S., Castellanet, Mark J., Ellestad, Myrvin H.

“…Coronary angiograms and treadmill stress tests were reviewed in 89 patients. Changes in R wave amplitude were measured in the control and immediate…”
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The influence of endocardial electrode fixation status on acute and chronic atrial stimulation threshold and atrial endocardial electrogram amplitude by Shandling, A H, Castellanet, M J, Thomas, L A, Messenger, J C

“…The endocardial atrial electrogram or "P wave amplitude" (PWA) and pacemaker atrial stimulation thresholds are important parameters determining correct pacing…”
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Transesophageal Echocardiographic Visualization of Left Ventricular Malpositioned Pacemaker Electrodes: Implications for Lead Extraction Procedures by ORLOV, MICHAEL V., MESSENGER, JOHN C., TOBIAS, SERGE, SMITH, CLYDE W., WAIDER, WINFRIED, WINTERS, REX, SCHANDLING, ADRIAN, CASTELLANET, MARK

“…Two cases of malpositioned LV electrodes are presented. Transesophageal echocardiography (TEE) allowed for a careful inspection of left‐sided leads and for…”
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Physical determinants of the endocardial P wave by Shandling, A H, Florio, J, Castellanet, M J, Messenger, J C, Crump, R, Evans, K, Rylaarsdam, A, Nolasco, M

“…Reliable atrial sensing of intrinsic P wave activity is important to ensure optimal atrial or dual chamber pacemaker function. Various physical factors (e.g.,…”
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Comparison of S-T segment changes on exercise testing with angiographic findings in patients with prior myocardial infarction by Castellanet, Mark J., Greenberg, Paul S., Ellestad, Myrvin H.

“…Ninety-seven patients with a prior transmural myocardial infarction who underwent coronary angiography and treadmill stress testing were studied…”
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Variation in P wave amplitude immediately after pacemaker implantation: possible mechanism and implications for early programming by Shandling, A H, Castellanet, M J, Thomas, L A, Mulvihill, D F, Feuer, J M, Messenger, J C

“…The P wave amplitude (PWA) plays an important role in determining atrial sensing capabilities. To assess early PWA change, we compared the unipolar PWA in 43…”
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Utility of the atrial endocardial electrogram concurrent with dual-chamber pacing in the determination of a pacemaker-mediated arrhythmia by Shandling, A H, Castellanet, M J, Messenger, J C, Brownlee, R R

“…A 73-year-old male required a permanent pacemaker for complete heart block. After placement of the dual-chamber pacemaker, the patient developed random,…”
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Impaired activity rate responsiveness of an atrial activity-triggered pacemaker: the role of differential atrial sensing in its prevention by Shandling, A H, Castellanet, M J, Thomas, L, Rylaarsdam, A, Valikai, K, Messenger, J C, Ellestad, M H

“…The physiological benefit of rate responsive, single-chamber cardiac pacing is well documented. We studied the activity response of nine atrially placed…”
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Interference with pacemaker function by cardiokymographic testing by Kuan, Peiliang, Kozlowski, Jay H., Castellanet, Mark J., Ellestad, Myrvin H.

“…Environmental hazards for patients with pacemakers have long been recognized. 1,2 Interference with pacemaker function by diagnostic and therapeutic modalities…”
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Ability of R-wave amplitude (RWA) changes to reduce false negative (FN) and false positive (FP) responses by ST depression in treadmill stress testing (TST) by Bonoris, Peter E., Greenberg, Paul S., Christison, George W., Castellanet, Mark J., Ellestad, Myrvin H.

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Comparison of changes in R-wave amplitude (RWA) and ST segments in treadmill stress testing (TST) as a predictor of CAD by Christison, George W., Bonoris, Peter E., Greenberg, Paul S., Castellanet, Mark J., Ellestad, Myrvin H.

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Atrial synchronous ventricular inhibited pacing (VDD): an underutilized mode of pacing by Messenger, J C, Greenberg, P S, Warren, J, Castellanet, M J

“…The design of atrial synchronous, ventricular inhibited (VDD) pacemakers has been improved. Physiologic long-term benefit has now been established, although…”
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Transesophageal Echocardiographic Visualization of Left Ventricular Malpositioned Pacemaker Electrodes: Implications for Lead Extraction Procedures by ORLOV, MICHAEL V., MESSENGER, JOHN C., TOBIAS, SERGE, SMITH, CLYDE W., WAIDER, WINFRIED, WINTERS, REX, SCHANDLING, ADRIAN, CASTELLANET, MARK

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New permanent endocardial atrial J lead: implantation techniques and clinical performance by Messenger, J C, Castellanet, M J, Stephenson, N L

“…The potential benefits of pacing systems which restore A-V synchrony have long been recognized. However, availability of atrial leads which are easily…”
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Predicting coronary artery disease with treadmill stress testing: changes in R-wave amplitude compared with ST segment depression by Christison, G W, Bonoris, P E, Greenberg, P S, Castellanet, M J, Ellestad, M H

“…Coronary angiograms and treadmill stress tests were reviewed independently in 108 nonconsecutively selected cases. There were 16 patients (15%) with infarcts…”
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Effects of lithium on brain energy reserves and cations in vivo by King, L J, Carl, J L, Archer, E G, Castellanet, M

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