Sick Sinus Syndrome: A Review
... abnormal propagation from the sinoatrial node, which prevents it from performing its pacemaking function. This condition, also known as sinus node dysfunction, is associated with an atrial rate that does not meet the body’s physiologic requirements. It manifests clinically as arrhythmias that can in ...
... abnormal propagation from the sinoatrial node, which prevents it from performing its pacemaking function. This condition, also known as sinus node dysfunction, is associated with an atrial rate that does not meet the body’s physiologic requirements. It manifests clinically as arrhythmias that can in ...
Cardiac Pacemaker
... under your skin. The doctor then implants thin insulated wires – which are called leads - from the pacemaker through the veins into your heart. These leads deliver electrical pulses that prompt your heart to beat at a normal rate. ...
... under your skin. The doctor then implants thin insulated wires – which are called leads - from the pacemaker through the veins into your heart. These leads deliver electrical pulses that prompt your heart to beat at a normal rate. ...
TEXAS TECH UNIVERSITY HEALTH SCIENCE CENTER HEALTH
... channel blockers, you know you think of metoprolol, Cardizem, those kind of drugs, to slow down the heart rate. There is a chemical drug or a chemical cardioversion that can be done using the drug Adenosine. Adenosine will completely stop all electrical activity so you see asystole on your monitor a ...
... channel blockers, you know you think of metoprolol, Cardizem, those kind of drugs, to slow down the heart rate. There is a chemical drug or a chemical cardioversion that can be done using the drug Adenosine. Adenosine will completely stop all electrical activity so you see asystole on your monitor a ...
Supraventricular Tachycardia: Diagnosis and Management
... tachycardia or junctional tachycardia may accelerate more gradually and, thus, would be nonparoxysmal. Some patients with PSVT may describe an urge to urinate, possibly as a result of atrionatriuretic peptide release, which produces an intrinsic diuretic effect. In a less common scenario, some patie ...
... tachycardia or junctional tachycardia may accelerate more gradually and, thus, would be nonparoxysmal. Some patients with PSVT may describe an urge to urinate, possibly as a result of atrionatriuretic peptide release, which produces an intrinsic diuretic effect. In a less common scenario, some patie ...
Chapter 11 ppt - Fillmore Central Schools
... Copyright © 2003 Pearson Education, Inc. publishing as Benjamin Cummings ...
... Copyright © 2003 Pearson Education, Inc. publishing as Benjamin Cummings ...
The Cardiovascular System
... • The function of the cardiovascular system is to deliver oxygen and nutrients and to remove carbon dioxide and other waste products Copyright © 2003 Pearson Education, Inc. publishing as Benjamin Cummings ...
... • The function of the cardiovascular system is to deliver oxygen and nutrients and to remove carbon dioxide and other waste products Copyright © 2003 Pearson Education, Inc. publishing as Benjamin Cummings ...
Dronedarone for Maintenance of Sinus Rhythm in Atrial Fibrillation
... The hypothesis for determining the number of patients needed for the study was derived from data from efficacy trials of antiarrhythmic drugs for the treatment of atrial fibrillation.23-25 It was presumed that 60% of patients in the placebo group would have a recurrence of arrhythmia within 12 month ...
... The hypothesis for determining the number of patients needed for the study was derived from data from efficacy trials of antiarrhythmic drugs for the treatment of atrial fibrillation.23-25 It was presumed that 60% of patients in the placebo group would have a recurrence of arrhythmia within 12 month ...
Relation Between Left Ventricular Diastolic Pressure and Myocardial
... NE OP THE fundamental characteristics of striated muscle is the augmentation of its contraction which results from a longer initial length.1"3 It is thus of some importance to attempt to relate changes in diastolic myocardial fiber length to other parameters of the ventricle's performance characteri ...
... NE OP THE fundamental characteristics of striated muscle is the augmentation of its contraction which results from a longer initial length.1"3 It is thus of some importance to attempt to relate changes in diastolic myocardial fiber length to other parameters of the ventricle's performance characteri ...
Concealed Conduction
... clinically observed phenomenon of concealed AV conduction. Subthreshold potentials in the AV node may result in delay of excitation or even failure of responses occurring later in time, that at least some variants of concealed AV conduction may be explained by electrotonically mediated reduction of ...
... clinically observed phenomenon of concealed AV conduction. Subthreshold potentials in the AV node may result in delay of excitation or even failure of responses occurring later in time, that at least some variants of concealed AV conduction may be explained by electrotonically mediated reduction of ...
Cryoablation Lesion with Atrial Arrhythmia after Fontan Operation
... Sinus node dysfunction Blunted tachycardia response to exercise Absence of detectable sinus activity Complete heart block ...
... Sinus node dysfunction Blunted tachycardia response to exercise Absence of detectable sinus activity Complete heart block ...
Left Ventricular Systolic Function is Sensitive to Cycle
... The study population was comprised of consecutive patients with chronic AF who were referred for echocardiographic examination between August 2005 and July 2006. Patients with poor quality echocardiographic images, frequent ventricular premature beats, complete atrioventricular block, mitral stenosi ...
... The study population was comprised of consecutive patients with chronic AF who were referred for echocardiographic examination between August 2005 and July 2006. Patients with poor quality echocardiographic images, frequent ventricular premature beats, complete atrioventricular block, mitral stenosi ...
Teaching Rounds in Cardiac Electrophysiology
... anterior oblique (LAO, right) views. B, Intracardiac electrograms and ablation signal at the earliest antegrade ventricular activation location at PSTA (left), the earliest antegrade ventricular activation location at PSMA (middle), and the disappearance of right bundle branch block pattern followin ...
... anterior oblique (LAO, right) views. B, Intracardiac electrograms and ablation signal at the earliest antegrade ventricular activation location at PSTA (left), the earliest antegrade ventricular activation location at PSMA (middle), and the disappearance of right bundle branch block pattern followin ...
invited review - AJP
... genes, which progress from weak contractions to fibrillation on day 2. These mutant genes may lie in the pathway to proper cell coupling, ionic means of orchestrating membrane potential, or differentiation of specialized cells at chamber borders. There are also mutants that perturb normal developmen ...
... genes, which progress from weak contractions to fibrillation on day 2. These mutant genes may lie in the pathway to proper cell coupling, ionic means of orchestrating membrane potential, or differentiation of specialized cells at chamber borders. There are also mutants that perturb normal developmen ...
M P I.
... Expert opinion (2) has estimated that with the current availability of 3D-mapping systems, success for nonisthmus-dependent atrial flutter is expected to be at least 90%. Focal atrial tachycardia. Focal atrial tachycardia usually arises from an abnormal automatic focus or micro-re-entry circuits in ...
... Expert opinion (2) has estimated that with the current availability of 3D-mapping systems, success for nonisthmus-dependent atrial flutter is expected to be at least 90%. Focal atrial tachycardia. Focal atrial tachycardia usually arises from an abnormal automatic focus or micro-re-entry circuits in ...
Noninvasive Epicardial and Endocardial Electrocardiographic
... Dalhousie University, Halifax, NS, Canada ...
... Dalhousie University, Halifax, NS, Canada ...
Detection of Incomplete Left Bundle Branch Block by Noninvasive
... varying levels of electrical dyssynchrony, confirmed by QRS widening, prolongation of activation time and increased LV-RV activation difference. The induced dyssynchrony seen here was similar to a previous porcine and canine models [7,8], and recapitulates abnormalities found in patients with electr ...
... varying levels of electrical dyssynchrony, confirmed by QRS widening, prolongation of activation time and increased LV-RV activation difference. The induced dyssynchrony seen here was similar to a previous porcine and canine models [7,8], and recapitulates abnormalities found in patients with electr ...
Patent ductus arteriosus - British Heart Foundation
... the duct to seal it closed. If the duct is large, a plug, (shaped like a tiny cork) made of fine wire, will be used instead of the steel coil. The catheter will then be removed. Both the steel coil and the plug are designed to stay in position permanently. The PDA does not always close completely as ...
... the duct to seal it closed. If the duct is large, a plug, (shaped like a tiny cork) made of fine wire, will be used instead of the steel coil. The catheter will then be removed. Both the steel coil and the plug are designed to stay in position permanently. The PDA does not always close completely as ...
Familial hypertrophic cardiomyopathy
... scar tissue between heart muscle cells. This scar tissue disturbs the normal electrical activity of your heart, causing a type of arrhythmia called ventricular tachycardia (VT). VT causes your heart to beat very fast. It is a serious type of arrhythmia that can cause chest pain, shortness of breath, ...
... scar tissue between heart muscle cells. This scar tissue disturbs the normal electrical activity of your heart, causing a type of arrhythmia called ventricular tachycardia (VT). VT causes your heart to beat very fast. It is a serious type of arrhythmia that can cause chest pain, shortness of breath, ...
Cardiorespiratory Function of Pediatric Heart Transplant Recipients
... BP during cycling were noted in adult OHT recipients.20,25 Many factors are proposed, including cardiac denervation, chronic elevation of circulating catecholamine, the adverse effects of immunosuppressants, and reduced vascular compliance caused by preoperative congestive heart failure.25,26 Howeve ...
... BP during cycling were noted in adult OHT recipients.20,25 Many factors are proposed, including cardiac denervation, chronic elevation of circulating catecholamine, the adverse effects of immunosuppressants, and reduced vascular compliance caused by preoperative congestive heart failure.25,26 Howeve ...
cardiac rhythm devices: pacemakers, ilr, icd, crt
... C. Second Degree AV Block, Wenckebach D.Second Degree AV Block, Mobitz E. Third Degree AV Block ...
... C. Second Degree AV Block, Wenckebach D.Second Degree AV Block, Mobitz E. Third Degree AV Block ...
Age Related Changes in the Parasympathetic Control of the Heart
... subjects (up to 90 years) in our study. The less consistent effect of age on VR likely relates to the smaller change and greater complexity of the maneuver. C Neumann (20) was of the opinion that results of the test proposed by Ewing and Clarke, however might differ between researchers because of di ...
... subjects (up to 90 years) in our study. The less consistent effect of age on VR likely relates to the smaller change and greater complexity of the maneuver. C Neumann (20) was of the opinion that results of the test proposed by Ewing and Clarke, however might differ between researchers because of di ...
Digital Pulse Analyzer (DPA)
... SNS is activated, producing an immediate, widespread response that has been called the “flight or fight” response. Characterized by the release of large quantities of epinephrine from the adrenal gland, an increase in heart rate, an increase in cardiac output, skeletal muscle vasodilation, cutaneous ...
... SNS is activated, producing an immediate, widespread response that has been called the “flight or fight” response. Characterized by the release of large quantities of epinephrine from the adrenal gland, an increase in heart rate, an increase in cardiac output, skeletal muscle vasodilation, cutaneous ...