by Mark | Dec 20, 2016 | Uncategorized
Device Guidelines for Patients with Genetic Heart Disease: Pacemakers Permanent Pacemaker (2008 guidelines) Long QT Syndrome (LQTS) Class IIa Permanent pacing is reasonable for high-risk patients with congenital long-QT syndrome. Class III Permanent pacing...
by Mark | Dec 13, 2015 | Cardiac Electrophysiology, Cardiology, General Public
What is AVNRT? Rapid beating of the heart can cause the sensation of palpitations, which are often described as fluttering, pounding, and beating sensations in the chest. Sometimes these palpitations are rapid enough to affect other parts of the body, and people with...
by Mark | Oct 1, 2015 | Cardiac Electrophysiology, Cardiology, Science
Indications for Pacemaker (Class I and IIa/b Recommendations) Sinus node dysfunction (SND) with symptomatic bradycardia Symptomatic chronotropic incompetence Required drug therapy causing symptomatic bradycardia SND with HR < 40 bpm; bradycardia and symptom...
by Mark | Sep 29, 2015 | Cardiology, Science
Constrictive Pericarditis Pathology of constriction: Thick scarred pericardium equalizes 4 chamber pressure, limits ventricular filling, reduces cardiac volume. JV pressure wave form in constriction: rapid ventricular (RV) filling causes rapid Y-descent Then,...
by Mark | Sep 29, 2015 | Cardiology, Science
Pheochromocytoma vs. Carcinoid – What’s the Difference?? Two neuroendocrine tumors affecting the cardiovascular system and often get confused are carcinoid and pheochromocytoma. I thought I would include a brief primer on the two, because both secrete...
by Mark | Sep 23, 2015 | Cardiology
Indications for Nuclear Myocardial Perfusion Imaging (MPI): Exercise MPI: Intermediate-high risk, able to exercise, with uninterpretable ECG (class I) or interpretable ECG (class IIa) Known SIHD, able to exercise, new symptoms Contraindications to Exercise...
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