Research Instructor of Internal Medicine
Division of Cardiology
Nora Eccles Harrison Cardiovascular Research
and Training Institute
BS- Chemistry, Texas Lutheran University, Seguin, TX
PhD- Physiology, Univ of North Texas Health Science Center, Ft Worth, TX
Autonomic control of cardiovascular variables during arrhythmias in humans; Control of muscle sympathetic nerve activity
Kowal RC, Wasmund SL, Smith ML, Sharma N, Carayannopoulos GN, Le B, Cogan J, Kizilbash AM, Joglar JA, Hamdan MH. Biventricular pacing reduces the induction of monomorphic ventricular tachycardia: A potential mechanism for arrhythmia suppression. Heart Rhythm. 2004;1:295-300.
Wasmund SL, Smith ML, Takata TS, Joglar JA, Li JM, Kowal RC, Page RL, Hamdan MH. Sympathoexcitation is attenuated during low level lower body negative pressure in subjects who develop pre-syncope. Clin Auton Res. 2003;13:208-213.
Kowal RC, Wasmund SL, Smith ML, Sharma N, Carayannopoulos GN, Le B, Cogan J, Kizilbash AM, Joglar JA, Hamdan MH. Biventricular pacing reduces the induction of monomorphic ventricular tachycardia: A potential mechanism for arrhythmia suppression. Heart Rhythm. 2004;1:295-300.
Wasmund SL, Smith ML, Takata TS, Joglar JA, Li JM, Kowal RC, Page RL, Hamdan MH. Sympathoexcitation is attenuated during low level lower body negative pressure in subjects who develop pre-syncope. Clin Auton Res. 2003;13:208-213.
Wasmund SL, Li JM, Page RL, Joglar JA, Kowal RC, Smith ML, Hamdan MH. Effect of atrial fibrillation and an irregular ventricular response on sympathetic nerve activity in human subjects. Circulation. 2003;107:2011-2015.
Kowal RC, Wasmund SL, Smith ML, Page RL, Joglar JA, Hamdan MH. Poor baroreflex gain is a marker of heightened sympathetic activity post-tachycardia termination in humans. Clin Auton Res. 2003;13:443-446.
Takata TS, Wasmund SL, Smith ML, Li JM, Joglar JA, Banks K, Kowal RC, Page RL, Hamdan MH. Serotonin reuptake inhibitor (Paxil) does not prevent the vasovagal reaction associated with carotid sinus massage and/or lower body negative pressure in healthy volunteers. Circulation. 2002;106:1500-1504.
Hamdan MH, Zagrodzky JD, Page RL, Wasmund SL, Sheehan CJ, Adamson MM, Joglar JA, Smith ML. Effect of P-wave timing during supraventricular tachycardia on the hemodynamic and sympathetic neural response. Circulation. 2001;103:96-101.
Hamdan MH, Page RL, Wasmund SL, Sheehan CJ, Zagrodzky JD, Ramaswamy K, Joglar JA, Adamson MM, Barron BA, Smith ML. Selective parasympathetic denervation following posteroseptal ablation for either atrioventricular nodal reentrant tachycardia or accessory pathways. Am J Cardiol. 2000;85:875-878, A879.
Hamdan MH, Page RL, Sheehan CJ, Zagrodzky JD, Wasmund SL, Ramaswamy K, Joglar JA, Smith ML. Increased sympathetic activity after atrioventricular junction ablation in patients with chronic atrial fibrillation. J Am Coll Cardiol. 2000;36:151-158.
Hamdan MH, Joglar JA, Page RL, Zagrodzky JD, Sheehan CJ, Wasmund SL, Smith ML. Baroreflex gain predicts blood pressure recovery during simulated ventricular tachycardia in humans. Circulation. 1999;100:381-386.
Muenter NK, Watenpaugh DE, Wasmund WL, Wasmund SL, Maxwell SA, Smith ML. Effect of sleep restriction on orthostatic cardiovascular control in humans. J Appl Physiol. 2000;88:966-972.
Smith ML, Joglar JA, Wasmund SL, Carlson MD, Welch PJ, Hamdan MH, Quan K, Page RL. Reflex control of sympathetic activity during simulated ventricular tachycardia in humans. Circulation. 1999;100:628-634.