Having a cardiac resynchronisation therapy CRT
... that the body needs to do its work. Blood cells pick up oxygen in the lungs and the pumping action of the heart moves this oxygen-rich blood to the rest of the body. What does the heart look like? The heart has four chambers – the top chambers are the left and right atrium and the larger, bottom cha ...
... that the body needs to do its work. Blood cells pick up oxygen in the lungs and the pumping action of the heart moves this oxygen-rich blood to the rest of the body. What does the heart look like? The heart has four chambers – the top chambers are the left and right atrium and the larger, bottom cha ...
To Scan or Not to Scan: The Clinical Utility of Coronary Computed Tomography
... In patients considered low risk for a CAD event, a positive EBCT will not justify implementing aggressive intervention In patients considered high risk for a CAD event, a negative result will not justify withholding aggressive intervention Greenland and Gaziano. NEJM. 2003; 349(5): 465-73 ...
... In patients considered low risk for a CAD event, a positive EBCT will not justify implementing aggressive intervention In patients considered high risk for a CAD event, a negative result will not justify withholding aggressive intervention Greenland and Gaziano. NEJM. 2003; 349(5): 465-73 ...
Floppy mitral valve/mitral valve prolapse/mitral valvular
... FMV surface phenomena may lead to methods preventing the progress to significant mitral valve dysfunction. The genetic association between FMV/MVP and the FMV/MVP syndrome remains to be defined. Floppy mitral valve/mitral valve prolapse: Frequency in relation to other cardiovascular abnormalities In ...
... FMV surface phenomena may lead to methods preventing the progress to significant mitral valve dysfunction. The genetic association between FMV/MVP and the FMV/MVP syndrome remains to be defined. Floppy mitral valve/mitral valve prolapse: Frequency in relation to other cardiovascular abnormalities In ...
CLINICAL INVESTIGATION The effects of changes in
... tend to confound the effects of exercise with those due to associated changes in body weight, sodium intake, and familiarity with the measurement procedures. '-10 It has been hard to draw firm conclusions about which of these are most important in reducing conventional risk factors. An additional pr ...
... tend to confound the effects of exercise with those due to associated changes in body weight, sodium intake, and familiarity with the measurement procedures. '-10 It has been hard to draw firm conclusions about which of these are most important in reducing conventional risk factors. An additional pr ...
AHA Scientific Statement
... prevent recurrent stroke and cardiovascular events that occur with greater frequency in the patient who has had a stroke.46 A reduction of risk factors can decrease the incidence of recurrent strokes and coronary events. An aerobic conditioning program can enhance glucose regulation and promote decr ...
... prevent recurrent stroke and cardiovascular events that occur with greater frequency in the patient who has had a stroke.46 A reduction of risk factors can decrease the incidence of recurrent strokes and coronary events. An aerobic conditioning program can enhance glucose regulation and promote decr ...
Syncopal Attacks Imitating Epileptic Seizures
... Cardiogenic syncopes are potentially life threatening and may be treatable. Morbidity and mortality is up to 50% within the first 3 years following the initial attack, and it is cause-dependent. Palpitations, chest pain, shortness of breath, extreme fatigue or other features of cardiovascular insuffic ...
... Cardiogenic syncopes are potentially life threatening and may be treatable. Morbidity and mortality is up to 50% within the first 3 years following the initial attack, and it is cause-dependent. Palpitations, chest pain, shortness of breath, extreme fatigue or other features of cardiovascular insuffic ...
Inferior Leads - Cardiology.org
... care providers usually to screen for occult disease and to obtain a baseline when initiating care. Since clinical diagnostic codes were not available, we excluded those with inpatient status (n = 12,319) to eliminate ECGs possibly associated with acute coronary syndromes and other acute processes. F ...
... care providers usually to screen for occult disease and to obtain a baseline when initiating care. Since clinical diagnostic codes were not available, we excluded those with inpatient status (n = 12,319) to eliminate ECGs possibly associated with acute coronary syndromes and other acute processes. F ...
5 HOW TO READ AN EKG
... PR Interval: Atrial and AV node depolarization. Regular duration is 0.12 - 0.20 seconds. The PR interval is measured from the start of the P wave to the start of Q wave. It represents the duration of atria depolarization. Normal duration is from 0.12 to 0.20 seconds. If the PR interval is greater th ...
... PR Interval: Atrial and AV node depolarization. Regular duration is 0.12 - 0.20 seconds. The PR interval is measured from the start of the P wave to the start of Q wave. It represents the duration of atria depolarization. Normal duration is from 0.12 to 0.20 seconds. If the PR interval is greater th ...
Reduction of Canine Myocardial Infarct Size by a Diffusible Reactive
... to identify all irreversibly injured tissue early in reperfusion,20 leading to an underestimation of the amount of necrosis that will eventually occur. Another disappointing aspect of efforts to reduce reperfusion injury has been that agents that appear to reduce myocardial injury if given before is ...
... to identify all irreversibly injured tissue early in reperfusion,20 leading to an underestimation of the amount of necrosis that will eventually occur. Another disappointing aspect of efforts to reduce reperfusion injury has been that agents that appear to reduce myocardial injury if given before is ...
CARDIAC PHARMACOLOGY OF THE CLADOCERAN, DAPHNIA
... Atropine was applied in fifteen experiments in concentrations from 10—8 to 10—2. In these concentrations it causes a negative chronotropic effect which is probably a toxic one since the addition of water failed to bring about recovery from solutions higher than 108. Concen trations of 10@ to 10@ ...
... Atropine was applied in fifteen experiments in concentrations from 10—8 to 10—2. In these concentrations it causes a negative chronotropic effect which is probably a toxic one since the addition of water failed to bring about recovery from solutions higher than 108. Concen trations of 10@ to 10@ ...
sinus node dysfunction - Continuing Medical Education
... opposed to a single-chambered atrial pacemaker which is applicable to most forms of sinus node dysfunction. Pharmacological tests of autonomic function by injections of isoprenaline, atropine, propranolol, or the combination of atropine and propranolol have been studied. The atropine plus propranolo ...
... opposed to a single-chambered atrial pacemaker which is applicable to most forms of sinus node dysfunction. Pharmacological tests of autonomic function by injections of isoprenaline, atropine, propranolol, or the combination of atropine and propranolol have been studied. The atropine plus propranolo ...
Form versus disease: optimizing geometry during ventricular
... An alternate approach in dilated ischemic cardiomyopathy after anterior infarction, is insertion of an oblique patch between the apex and high septum, just beneath the aortic valve to render a conical form that resembles the shape achieved by Pacopexy or SAVE procedures in nonischemic cardiomyopathy ...
... An alternate approach in dilated ischemic cardiomyopathy after anterior infarction, is insertion of an oblique patch between the apex and high septum, just beneath the aortic valve to render a conical form that resembles the shape achieved by Pacopexy or SAVE procedures in nonischemic cardiomyopathy ...
Diapozitiv 1
... beneficial with regard to cognitive functioning and negative symptoms, however chronic nicotine consumption may have deterioration effect on schizophrenia psychopathology.1 • Non-adherence ...
... beneficial with regard to cognitive functioning and negative symptoms, however chronic nicotine consumption may have deterioration effect on schizophrenia psychopathology.1 • Non-adherence ...
2 nd degree AV Block, TYPE II
... QRS: wider than normal because of associated conduction block in ventricles Conduction ratio varies (1:1, 2:1; 3:1) PP: regular RR: irregular ...
... QRS: wider than normal because of associated conduction block in ventricles Conduction ratio varies (1:1, 2:1; 3:1) PP: regular RR: irregular ...
Tetraparesis and Failure of Pacemaker Capture Induced by Severe
... decreasing the responsiveness to electrical stimulation. The consequences on atrial and ventricular myocardium, as well as sinoatrial node and conduction system, are known, and the corresponding ECG changes have been well described as appearing sequentially with rising serum potassium levels (Table ...
... decreasing the responsiveness to electrical stimulation. The consequences on atrial and ventricular myocardium, as well as sinoatrial node and conduction system, are known, and the corresponding ECG changes have been well described as appearing sequentially with rising serum potassium levels (Table ...
Neural Control of Heart Rate: a Comparison between
... The heart rate responses to stimulation of the right and left cardiac autonomic nerves were evaluated in 20 puppies and 17 adult dogs. In every puppy and adult dog, the changes in heart rate were much greater with right- than with left-sided stimulation of the vagal or sympathetic nerves. At maximal ...
... The heart rate responses to stimulation of the right and left cardiac autonomic nerves were evaluated in 20 puppies and 17 adult dogs. In every puppy and adult dog, the changes in heart rate were much greater with right- than with left-sided stimulation of the vagal or sympathetic nerves. At maximal ...
Comparison of Left Ventricular Ejection Fraction
... Figure 1.2 presents an overview of the events occurring in the heart during the cardiac cycle. This overview starts with the heart in total relaxation: both atria and ventricles are relaxed, and it is mid-to-late diastole. The phase indicated by interval 1 in figure 1.2, is the period of ventricular ...
... Figure 1.2 presents an overview of the events occurring in the heart during the cardiac cycle. This overview starts with the heart in total relaxation: both atria and ventricles are relaxed, and it is mid-to-late diastole. The phase indicated by interval 1 in figure 1.2, is the period of ventricular ...
Secundum type atrial septal defect with prolonged PR - Heart
... during the operations, nor in the catheter study before the last operation, was any atrial septal defect detected. The information about generation I is contradictory, but it seems likely that the father died at 70 and the mother at 80 years of age. There is no further information about patients wit ...
... during the operations, nor in the catheter study before the last operation, was any atrial septal defect detected. The information about generation I is contradictory, but it seems likely that the father died at 70 and the mother at 80 years of age. There is no further information about patients wit ...
digoxin delusions - UCSF | Department of Medicine
... What about the pro-arrhythmic effects of digoxin? • Here’s a pearl: digoxin slows the SA node and the AV node but speeds up everything in between. Classic dig-associated arrhythmias include atrial tachycardia or junctional tachycardia associated with AV block. • Here’s another pearl: digoxin can cau ...
... What about the pro-arrhythmic effects of digoxin? • Here’s a pearl: digoxin slows the SA node and the AV node but speeds up everything in between. Classic dig-associated arrhythmias include atrial tachycardia or junctional tachycardia associated with AV block. • Here’s another pearl: digoxin can cau ...
article in press - Bahman Arrhythmia Clinic
... studies may demonstrate right ventricular enlargement or multiple areas of dilatation, and dyskinetic or hypokinetic zones mainly in the infero-basal and apical regions [40,41]. Increased thickness of the moderator band, physiological trabeculations of the right ventricular apex and dilatation of ri ...
... studies may demonstrate right ventricular enlargement or multiple areas of dilatation, and dyskinetic or hypokinetic zones mainly in the infero-basal and apical regions [40,41]. Increased thickness of the moderator band, physiological trabeculations of the right ventricular apex and dilatation of ri ...
Heart failure ontology - Zemris
... domain, as well as for unambiguous communication between professionals. In the process of developing the HF ontology there have been significant technical and medical dilemmas. The current result should not be treated as the ultimate solution but as a starting point that will stimulate further resea ...
... domain, as well as for unambiguous communication between professionals. In the process of developing the HF ontology there have been significant technical and medical dilemmas. The current result should not be treated as the ultimate solution but as a starting point that will stimulate further resea ...
View PDF - CiteSeerX
... end of ventricular depolarisation and repolarisation. The T wave is the result of ventricular repolarisation. This wave in a normal ECG is asymmetrical as the first part of this wave is more gradual than the subsequent part. The QT interval is measured from the beginning of the QRS complex to the en ...
... end of ventricular depolarisation and repolarisation. The T wave is the result of ventricular repolarisation. This wave in a normal ECG is asymmetrical as the first part of this wave is more gradual than the subsequent part. The QT interval is measured from the beginning of the QRS complex to the en ...
Long-Term ECG Trends in Atherosclerotic Mouse Subjects
... molecule and SRB-I receptor, shows extremely elevated LDL and severely depressed HDL levels in blood serum. The subjects show 100% mortality by the age of 8 weeks, with accompanying cardiac hypertrophy, reduced ejection fraction and high incidence of atherosclerosis and multiple regions of myocardia ...
... molecule and SRB-I receptor, shows extremely elevated LDL and severely depressed HDL levels in blood serum. The subjects show 100% mortality by the age of 8 weeks, with accompanying cardiac hypertrophy, reduced ejection fraction and high incidence of atherosclerosis and multiple regions of myocardia ...
Anisotropic Conduction in Electrocardiology
... widely used model to simulate the anisotropic electrical activity within the heart is the so-called bidomain model, which represents macroscopic (average) tissue properties. The macroscopic model can be derived from a microscopic model by a homogenization process. One of the most important factors t ...
... widely used model to simulate the anisotropic electrical activity within the heart is the so-called bidomain model, which represents macroscopic (average) tissue properties. The macroscopic model can be derived from a microscopic model by a homogenization process. One of the most important factors t ...