Incremental Prognostic Value of Estimated LV€End
... (Table 1). Using these measures, LVEDVI Estimated was calculated and compared with “true” CTCA-measured LVEDV. The correlation between measured LVEDVI and LVEDVIEstimated was very good (r ¼ 0.910, 95% confidence interval [95% CI]: 0.882 to 0.931; p < 0.0001). LVEDVI Estimated was significantly larger ...
... (Table 1). Using these measures, LVEDVI Estimated was calculated and compared with “true” CTCA-measured LVEDV. The correlation between measured LVEDVI and LVEDVIEstimated was very good (r ¼ 0.910, 95% confidence interval [95% CI]: 0.882 to 0.931; p < 0.0001). LVEDVI Estimated was significantly larger ...
Uncontrolled ventricular rate in atrial fibrillation - Heart
... from sinus rhythm to atrial fibrillation three times, digoxin was administered orally over the first despite the chronic administration of antiarrhythmic 12 hours, attaining a serum level of 1-3 ng/ml agents. Each time she was successfully cardioverted (1-66 nmol/l) (normal range: 0-8 to 2 4 ng/ml ( ...
... from sinus rhythm to atrial fibrillation three times, digoxin was administered orally over the first despite the chronic administration of antiarrhythmic 12 hours, attaining a serum level of 1-3 ng/ml agents. Each time she was successfully cardioverted (1-66 nmol/l) (normal range: 0-8 to 2 4 ng/ml ( ...
Sudden death: managing the patient who survives
... Primary structural disease Coronary artery disease Approximately 65e70% of SCDs are attributed to ischaemic heart disease, thus demonstrating that coronary artery disease (CAD) is the most frequent substrate underlying SCD. A classical issue that has been the subject of controversy for more than two ...
... Primary structural disease Coronary artery disease Approximately 65e70% of SCDs are attributed to ischaemic heart disease, thus demonstrating that coronary artery disease (CAD) is the most frequent substrate underlying SCD. A classical issue that has been the subject of controversy for more than two ...
The Heart - USD Biology
... between the atria and the ventricles, are the mitral valve (bicuspid, LA to LV) and the “tricuspid” valve (RA to RV). • The two semilunar (SL) valves, which are in the arteries leaving the heart, ...
... between the atria and the ventricles, are the mitral valve (bicuspid, LA to LV) and the “tricuspid” valve (RA to RV). • The two semilunar (SL) valves, which are in the arteries leaving the heart, ...
Cardiovascular Objectives
... Assess the rate and rhythm of the heart. S1 coincides with the rise of the carotid pulse; note any splitting of S1. Concentrate on systole; S1 marks the beginning of systole. Concentrate on diastole which is longer than systole; S1 immediately follows diastole. Listen for S2 to become two components ...
... Assess the rate and rhythm of the heart. S1 coincides with the rise of the carotid pulse; note any splitting of S1. Concentrate on systole; S1 marks the beginning of systole. Concentrate on diastole which is longer than systole; S1 immediately follows diastole. Listen for S2 to become two components ...
Effects of Drugs on the Frog Heart
... contract. This is because action potentials begin spontaneously in the pacemaker region (called the SA node) in the right atrium and spread through the ventricles in an automatic, rhythmic cycle. As can be seen in the exposed frog heart, this causes the atria to contract before the ventricles. Unlik ...
... contract. This is because action potentials begin spontaneously in the pacemaker region (called the SA node) in the right atrium and spread through the ventricles in an automatic, rhythmic cycle. As can be seen in the exposed frog heart, this causes the atria to contract before the ventricles. Unlik ...
apnea-induced hypoxia and heart failure
... sufficiently strong enough. A person with heart failure may have either of these problems or both. An estimated 40 percent of people with heart failure have obstructive sleep apnea (OSA, the intermittent cessation of breathing during sleep).1 Heart failure patients have a worse prognosis if they als ...
... sufficiently strong enough. A person with heart failure may have either of these problems or both. An estimated 40 percent of people with heart failure have obstructive sleep apnea (OSA, the intermittent cessation of breathing during sleep).1 Heart failure patients have a worse prognosis if they als ...
Experimental evaluation of kinect, inertial sensors for beating heart tracking
... Motion tracking of the beating heart is of interest for cardiac imaging and radiology. Precise information about the motion of the heart surface is particularly useful in the context of robotic surgery on the beating heart. In 2001, Nakamura et al. first introduced the idea of using a teleoperated r ...
... Motion tracking of the beating heart is of interest for cardiac imaging and radiology. Precise information about the motion of the heart surface is particularly useful in the context of robotic surgery on the beating heart. In 2001, Nakamura et al. first introduced the idea of using a teleoperated r ...
Cardiac Services - Tanner Health System
... Tanner offers a wide range of services that enable its team of cardiac specialists to make accurate diagnoses, but sometimes the best way to find a problem is to take a closer look. Minimally invasive approaches either use the body’s existing openings, such as the mouth, or use tiny incisions that m ...
... Tanner offers a wide range of services that enable its team of cardiac specialists to make accurate diagnoses, but sometimes the best way to find a problem is to take a closer look. Minimally invasive approaches either use the body’s existing openings, such as the mouth, or use tiny incisions that m ...
left heart
... 2. What additional medical tests would you order for Mr. Helms? In other words, what other information would be useful? ...
... 2. What additional medical tests would you order for Mr. Helms? In other words, what other information would be useful? ...
Impact of research presentations at the annual sci...[Heart Rhythm
... Cardiovascular Research Centre, Department of Cardiology, Royal Adelaide Hospital and the Disciplines of Medicine and Physiology, University of Adelaide, Adelaide, Australia. BACKGROUND: Abstract presentation at conferences provides the opportunity to rapidly communicate research findings. The outco ...
... Cardiovascular Research Centre, Department of Cardiology, Royal Adelaide Hospital and the Disciplines of Medicine and Physiology, University of Adelaide, Adelaide, Australia. BACKGROUND: Abstract presentation at conferences provides the opportunity to rapidly communicate research findings. The outco ...
Murine conduction system development
... Expression of the transgene in the neonatal heart was also found within the ventricular conduction system (Fig. 1). The transgene demarcated the AV (or His) bundle, the left (LBB) and right (RBB) bundle branches, and highlighted the extensive ramification of the Purkinje fiber network along the vent ...
... Expression of the transgene in the neonatal heart was also found within the ventricular conduction system (Fig. 1). The transgene demarcated the AV (or His) bundle, the left (LBB) and right (RBB) bundle branches, and highlighted the extensive ramification of the Purkinje fiber network along the vent ...
The Norwegian athletes` heart Cardiac screening of 595
... in the USA, arrhythmogenic right ventricular cardiomyopathy in Italy, but what causes the highest risk in the Nordic countries is unknown (4;5). Some of the CV risk factors can be detected during screening and successfully treated, while others will lead to recommendations for restricted activity to ...
... in the USA, arrhythmogenic right ventricular cardiomyopathy in Italy, but what causes the highest risk in the Nordic countries is unknown (4;5). Some of the CV risk factors can be detected during screening and successfully treated, while others will lead to recommendations for restricted activity to ...
supraventricular Tachycardia With underlying Atrial flutter in a
... arrhythmias (16). Although DK A can cause life-threatening arrhythmias, it is usually reversible with appropriate treatment consisting of insulin and IV fluids. During treatment, it is imperative to closely monitor patients’ electrolyte and acid base status. It is recommended that electrolytes be re ...
... arrhythmias (16). Although DK A can cause life-threatening arrhythmias, it is usually reversible with appropriate treatment consisting of insulin and IV fluids. During treatment, it is imperative to closely monitor patients’ electrolyte and acid base status. It is recommended that electrolytes be re ...
Cardiac: Routine Post-Operative Care
... Acute fluid loss (bleeding/drain losses) within the first 12 hours post-op should be replaced with equal volumes of fluid (crystalloid/colloid/fresh whole blood). Type of replacement fluid depends on the haematocrit. Babies with persisting cyanotic lesion require a higher Hb than those with a non-cy ...
... Acute fluid loss (bleeding/drain losses) within the first 12 hours post-op should be replaced with equal volumes of fluid (crystalloid/colloid/fresh whole blood). Type of replacement fluid depends on the haematocrit. Babies with persisting cyanotic lesion require a higher Hb than those with a non-cy ...
brief communications
... bypass grafts,8 in evaluating congenital heart lesions, and in demonstrating areas of myocardium involved in myocardial infarction.g This case extends the clinical utility of cardiac CT scanning to the evaluation of a cardiac mass. The demonstration that the mass was intrapericardial, ...
... bypass grafts,8 in evaluating congenital heart lesions, and in demonstrating areas of myocardium involved in myocardial infarction.g This case extends the clinical utility of cardiac CT scanning to the evaluation of a cardiac mass. The demonstration that the mass was intrapericardial, ...
Electrocardiography
Electrocardiography (ECG or EKG*) is the process of recording the electrical activity of the heart over a period of time using electrodes placed on a patient's body. These electrodes detect the tiny electrical changes on the skin that arise from the heart muscle depolarizing during each heartbeat.In a conventional 12 lead ECG, ten electrodes are placed on the patient's limbs and on the surface of the chest. The overall magnitude of the heart's electrical potential is then measured from twelve different angles (""leads"") and is recorded over a period of time (usually 10 seconds). In this way, the overall magnitude and direction of the heart's electrical depolarization is captured at each moment throughout the cardiac cycle. The graph of voltage versus time produced by this noninvasive medical procedure is referred to as an electrocardiogram (abbreviated ECG or EKG).During each heartbeat, a healthy heart will have an orderly progression of depolarization that starts with pacemaker cells in the sinoatrial node, spreads out through the atrium, passes through the atrioventricular node down into the bundle of His and into the Purkinje fibers spreading down and to the left throughout the ventricles. This orderly pattern of depolarization gives rise to the characteristic ECG tracing. To the trained clinician, an ECG conveys a large amount of information about the structure of the heart and the function of its electrical conduction system. Among other things, an ECG can be used to measure the rate and rhythm of heartbeats, the size and position of the heart chambers, the presence of any damage to the heart's muscle cells or conduction system, the effects of cardiac drugs, and the function of implanted pacemakers.