The Normal ECG and its (Normal) Variants
... determining rate – in the presence of high T waves, the computer may indicate double the real rate. For the patterns of myocardial infarction and intraventricular conduction disturbance, and for many arrhythmias,‘computer diagnosis’ is unreliable. ...
... determining rate – in the presence of high T waves, the computer may indicate double the real rate. For the patterns of myocardial infarction and intraventricular conduction disturbance, and for many arrhythmias,‘computer diagnosis’ is unreliable. ...
managing atrial fibrillation - Heart and Stroke Foundation
... • For symptomatic atrial fibrillation, start with rate control for most • Refer if still symptomatic for initiation of anti-arrhythmic medications or catheter ablation • Rhythm control has little role for minimally symptomatic patients – Rhythm control does not reduce stroke risk ...
... • For symptomatic atrial fibrillation, start with rate control for most • Refer if still symptomatic for initiation of anti-arrhythmic medications or catheter ablation • Rhythm control has little role for minimally symptomatic patients – Rhythm control does not reduce stroke risk ...
Systematizing Inpatient Referral to Cardiac Rehabilitation: A joint
... advocated in American College of Cardiology / American Heart Association Guidelines which state that clinicians “should consider instituting processes that encourage referral of appropriate patients to CR… In addition, it is important that referring healthcare practitioners and CR teams communicate ...
... advocated in American College of Cardiology / American Heart Association Guidelines which state that clinicians “should consider instituting processes that encourage referral of appropriate patients to CR… In addition, it is important that referring healthcare practitioners and CR teams communicate ...
Flow-generating capability of the isolated skeletal muscle pump
... short sections of stiff-walled tubing (PE-360), which in turn were connected to larger bore flexible tubing (3/8-in. ID, 9/16-in. OD Silastic), were inserted into the proximal and distal sections of these two vessels to form extracorporeal loops. These loops were interconnected by a short section of ...
... short sections of stiff-walled tubing (PE-360), which in turn were connected to larger bore flexible tubing (3/8-in. ID, 9/16-in. OD Silastic), were inserted into the proximal and distal sections of these two vessels to form extracorporeal loops. These loops were interconnected by a short section of ...
Predictors Of Depressed Left Ventricular…….
... and, consequently, significant left ventricular (LV) dysfunction persist despite the rapid and sustained restoration of blood flow. Early in the course of STEMI, therapies that may harm patients who develop LV dysfunction, such as beta-blockers, are often administered. Aim of the work: construct a p ...
... and, consequently, significant left ventricular (LV) dysfunction persist despite the rapid and sustained restoration of blood flow. Early in the course of STEMI, therapies that may harm patients who develop LV dysfunction, such as beta-blockers, are often administered. Aim of the work: construct a p ...
Hydrodynamics of the human circulatory system: a review.
... Erythrocytes in Acid-Citrate-Dextrose," Prothero and Burton provide experimental evidence of the steady passage of mammalian red cells, at low pressure, through pores of 5.0 or 3.0 microns in diameter, with no evidence of hemolysis. ...
... Erythrocytes in Acid-Citrate-Dextrose," Prothero and Burton provide experimental evidence of the steady passage of mammalian red cells, at low pressure, through pores of 5.0 or 3.0 microns in diameter, with no evidence of hemolysis. ...
Valvular Heart Disease in Pregnancy
... pression of the inferior vena cava by the gravid uterus. In addition, there is a 15-20% increase in heart rate, which contributes to an increase in cardiac output. However, the placental circulation offers a decrease in systemic vascular resistance, which can be favorable for certain cardiac lesions ...
... pression of the inferior vena cava by the gravid uterus. In addition, there is a 15-20% increase in heart rate, which contributes to an increase in cardiac output. However, the placental circulation offers a decrease in systemic vascular resistance, which can be favorable for certain cardiac lesions ...
A Meta-Analysis Of Quadripolar Versus Bipolar Left
... compared with BL placement. Our data supports and extends the current notion that optimal lead implantation using QL is easier than BL. A significantly lower fluoroscopy and procedure time was noted with QL when compared with BL with a mean difference -5.21 minutes and -10.33 minutes respectively. T ...
... compared with BL placement. Our data supports and extends the current notion that optimal lead implantation using QL is easier than BL. A significantly lower fluoroscopy and procedure time was noted with QL when compared with BL with a mean difference -5.21 minutes and -10.33 minutes respectively. T ...
Atrial fibrillation management
... echocardiography were older [69 (14) vs. 66 (13) years], presented more frequently as first detected AF (28 vs. 17%), were more often enrolled in a non-university centre (49 vs. 37%), or enrolled in Western European countries (35 vs. 24%). The other diagnostic procedures were most often used in parox ...
... echocardiography were older [69 (14) vs. 66 (13) years], presented more frequently as first detected AF (28 vs. 17%), were more often enrolled in a non-university centre (49 vs. 37%), or enrolled in Western European countries (35 vs. 24%). The other diagnostic procedures were most often used in parox ...
Progress toward controlling in vivo fibrillating sheep
... dynamical systems displaying temporal instabilities and chaos, where it is now possible to control chaos, delay the onset of bifurcations and instabilities, and direct a trajectory to a desired target state by applying only minute perturbations to the system. The control strategies are quite general ...
... dynamical systems displaying temporal instabilities and chaos, where it is now possible to control chaos, delay the onset of bifurcations and instabilities, and direct a trajectory to a desired target state by applying only minute perturbations to the system. The control strategies are quite general ...
Targeted ablation of cardiac sympathetic neurons - AJP
... of unconjugated CTB (n ⫽ 5); and 3) bilateral stellate ganglia injection of CTB conjugated to SAP (CTB-SAP; n ⫽ 9). In addition, hearts from a separate group of rats (4 control noninjected, 5 CTB injected, and 5 CTB-SAP injected) were analyzed for left ventricular sympathetic innervation density (ty ...
... of unconjugated CTB (n ⫽ 5); and 3) bilateral stellate ganglia injection of CTB conjugated to SAP (CTB-SAP; n ⫽ 9). In addition, hearts from a separate group of rats (4 control noninjected, 5 CTB injected, and 5 CTB-SAP injected) were analyzed for left ventricular sympathetic innervation density (ty ...
Chapter 15
... 2. It is important to begin CPR within two minutes of the cardiac arrest. C. Early defibrillation 1. Survival of VF SCA patients decreases approximately seven to ten percent for every minute that defibrillation is delayed. 2. Defibrillation is the procedure of sending an electrical current through t ...
... 2. It is important to begin CPR within two minutes of the cardiac arrest. C. Early defibrillation 1. Survival of VF SCA patients decreases approximately seven to ten percent for every minute that defibrillation is delayed. 2. Defibrillation is the procedure of sending an electrical current through t ...
Print - Circulation Research
... What are the changes in cardiac pump function produced by changes in initial muscle fiber length and contractility (for definitions see Noble, 1972)? The effects of these interventions on the pump function graph of an isolated ejecting cat heart are shown in Figure 3 (data taken from Elzinga and Wes ...
... What are the changes in cardiac pump function produced by changes in initial muscle fiber length and contractility (for definitions see Noble, 1972)? The effects of these interventions on the pump function graph of an isolated ejecting cat heart are shown in Figure 3 (data taken from Elzinga and Wes ...
Understanding Arrhythmias and your EP Procedure
... ventricles causing them to quiver. The heart is unable to pump blood to the brain and body. If prompt treatment is not provided, VF may be fatal. Ventricular fibrillation may cause cardiac arrest and may need to be treated emergently with cardiopulmonary resuscitation (CPR) and defibrillation, which ...
... ventricles causing them to quiver. The heart is unable to pump blood to the brain and body. If prompt treatment is not provided, VF may be fatal. Ventricular fibrillation may cause cardiac arrest and may need to be treated emergently with cardiopulmonary resuscitation (CPR) and defibrillation, which ...
Adverse events in coronary artery bypass graft (CABG) - Heart
... other outcomes. It should be noted that the lack of significant findings does not imply that there is no relation between cardiopulmonary bypass duration and increased risk of AEs at the patient level. The metaregression can only investigate the study level relation between mean cardiopulmonary bypa ...
... other outcomes. It should be noted that the lack of significant findings does not imply that there is no relation between cardiopulmonary bypass duration and increased risk of AEs at the patient level. The metaregression can only investigate the study level relation between mean cardiopulmonary bypa ...
Rosenberg (BIDMC) PACE Article 2012
... identifying AF events and estimating AF burden. Although there was no difference in AF burden estimated by the Zio Patch and the Holter monitor, AF events were identified in 18 additional individuals, and the documented pattern of AF (persistent or paroxysmal) changed in 21 patients after Zio Patc ...
... identifying AF events and estimating AF burden. Although there was no difference in AF burden estimated by the Zio Patch and the Holter monitor, AF events were identified in 18 additional individuals, and the documented pattern of AF (persistent or paroxysmal) changed in 21 patients after Zio Patc ...
Cyanosis
... does not occur because there is relatively little perfusion of underventilated areas. ...
... does not occur because there is relatively little perfusion of underventilated areas. ...
LETHAL CARDIAC ANAPHYLAXIS IN THE RABBIT.* The
... of variable extent. Stimulation of the cut surfaces of the ventricles is sometimes feebly successful on, the left side, but only rarely on the right. The right ventricular muscle shows, as a rule, a peculiar soft, paper-like stiffness as it folds when the fluid blood is removed; its color is gray an ...
... of variable extent. Stimulation of the cut surfaces of the ventricles is sometimes feebly successful on, the left side, but only rarely on the right. The right ventricular muscle shows, as a rule, a peculiar soft, paper-like stiffness as it folds when the fluid blood is removed; its color is gray an ...
Familial Congenital Heart Disease
... type of defect. Of the nine families in which no affected member had a septal defect, the cardiac malformations were identical within each family. In only 11 families were the cardiac malformations dissimilar by this method of analysis, in that a septal defect was present in one or more but not in a ...
... type of defect. Of the nine families in which no affected member had a septal defect, the cardiac malformations were identical within each family. In only 11 families were the cardiac malformations dissimilar by this method of analysis, in that a septal defect was present in one or more but not in a ...
Print - Circulation
... estimate was based on cardiac output measured by the Fick method. The best correlation was found when A' (with "large" diameter) was compared with invasive results based on cardiac output measured by the Fick method (r = .89, SEE + 0.12, n 16); the worst was found when A" (with "large" diameter) was ...
... estimate was based on cardiac output measured by the Fick method. The best correlation was found when A' (with "large" diameter) was compared with invasive results based on cardiac output measured by the Fick method (r = .89, SEE + 0.12, n 16); the worst was found when A" (with "large" diameter) was ...
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... • Etiology: Recent theories suggest that it is due to multiple re-entrant wavelets conducted between the R & L atria. Either way, impulses are formed in a totally unpredictable fashion. The AV node allows some of the impulses to pass through at variable intervals (so rhythm is irregularly irregular) ...
... • Etiology: Recent theories suggest that it is due to multiple re-entrant wavelets conducted between the R & L atria. Either way, impulses are formed in a totally unpredictable fashion. The AV node allows some of the impulses to pass through at variable intervals (so rhythm is irregularly irregular) ...
Effects of Spontaneous Respiration on Canine
... Six mongrel dogs, weighing 18-32 kg, were anesthetized with intravenous pentobarbital, 30 mg/kg. Supplemental doses were given as needed. Spontaneous respiration was maintained throughout the study. A large metal cannula was inserted into the trachea through a tracheostomy. Airway pressure was measu ...
... Six mongrel dogs, weighing 18-32 kg, were anesthetized with intravenous pentobarbital, 30 mg/kg. Supplemental doses were given as needed. Spontaneous respiration was maintained throughout the study. A large metal cannula was inserted into the trachea through a tracheostomy. Airway pressure was measu ...
Medtronic Cardiac Rhythm and Heart Failure ICD
... Guidelines for use of ICD-10-CM are offered by multiple sources, but two sources are mandatory: Instructions within the ICD-10 codebook itself The ICD-10 Official Guidelines for Coding and Reporting Use of these guidelines is mandated under HIPAA. Physicians only need to use the diagnosis gu ...
... Guidelines for use of ICD-10-CM are offered by multiple sources, but two sources are mandatory: Instructions within the ICD-10 codebook itself The ICD-10 Official Guidelines for Coding and Reporting Use of these guidelines is mandated under HIPAA. Physicians only need to use the diagnosis gu ...
SGD 13 Pacemakers and AICDs revisited READING 1
... initial esophageal surgery. Data stored in the ICD indicated an interrogation 13 days before the first surgery, but no interrogation report was in his chart. The anesthesiologist who performed the first case reported that he placed a magnet on the ICD to prevent firing as instructed by the cardiolog ...
... initial esophageal surgery. Data stored in the ICD indicated an interrogation 13 days before the first surgery, but no interrogation report was in his chart. The anesthesiologist who performed the first case reported that he placed a magnet on the ICD to prevent firing as instructed by the cardiolog ...