Bez nadpisu - Univerzita Karlova v Praze
... age predicted 85% maximal heart rate * suboptimal stress level reduce sensitivity of this procedure for detection of CAD * the radiopharmaceutical is injected 1-2 minut before end of exercise ...
... age predicted 85% maximal heart rate * suboptimal stress level reduce sensitivity of this procedure for detection of CAD * the radiopharmaceutical is injected 1-2 minut before end of exercise ...
Review Article Ventricular Tachycardia in the Absence of Structural
... Intrafascicular tachycardia has a right bundle branch block (RBBB) left-axis configuration in 90% to 95% of cases (exit site, left posterior fascicle) and the rest have RBBB with a right-axis pattern (exit site, left anterior fascicle). This form of VT is seen in the second to fourth decade of life ...
... Intrafascicular tachycardia has a right bundle branch block (RBBB) left-axis configuration in 90% to 95% of cases (exit site, left posterior fascicle) and the rest have RBBB with a right-axis pattern (exit site, left anterior fascicle). This form of VT is seen in the second to fourth decade of life ...
THE ART OF DIAGNOSTICS
... Additional rotation axis of the couch to the left allows positioning the patient at an angle of up to 45 degrees. This position is especially suited for high-quality ultrasound images during an exercise echo examination. A hip belt and a stable shoulder support provide patient safety and a comfortab ...
... Additional rotation axis of the couch to the left allows positioning the patient at an angle of up to 45 degrees. This position is especially suited for high-quality ultrasound images during an exercise echo examination. A hip belt and a stable shoulder support provide patient safety and a comfortab ...
Malignant Mitral Valve Prolapse - ORBi
... Circulation: Cardiovascular Imaging, performed a morphological assessment of the mitral valve with a particular focus on mitral annular disjunction (MAD). They studied 2 distinct populations: patients with arrhythmia and cases of sudden death. Direct observation and measurements on a magnified image ...
... Circulation: Cardiovascular Imaging, performed a morphological assessment of the mitral valve with a particular focus on mitral annular disjunction (MAD). They studied 2 distinct populations: patients with arrhythmia and cases of sudden death. Direct observation and measurements on a magnified image ...
Cardiac sympathetic afferent stimulation impairs - AJP
... Submitted 1 December 2003; accepted in final form 4 January 2004 ...
... Submitted 1 December 2003; accepted in final form 4 January 2004 ...
“The current state of medical simulation in interventional
... the past decade, multiple high-fidelity medical simulators have been developed to address the numerous challenges of 21st century medicine which include the rapid expansion of new techniques, work hour restrictions and a demand by numerous regulatory bodies for the expansion of simulation in medicin ...
... the past decade, multiple high-fidelity medical simulators have been developed to address the numerous challenges of 21st century medicine which include the rapid expansion of new techniques, work hour restrictions and a demand by numerous regulatory bodies for the expansion of simulation in medicin ...
Table 1 - JACC: Cardiovascular Imaging
... Forum software (Philips Medical Systems, Best, the Netherlands). Segmental wall motion was graded semiquantitatively using a 16-segment model according to American Heart Association guidelines (8) and a 3-point scale (0 ⫽ normal wall motion, 1 ⫽ hypokinesia, 2 ⫽ akinesia or dyskinesia), and inducibl ...
... Forum software (Philips Medical Systems, Best, the Netherlands). Segmental wall motion was graded semiquantitatively using a 16-segment model according to American Heart Association guidelines (8) and a 3-point scale (0 ⫽ normal wall motion, 1 ⫽ hypokinesia, 2 ⫽ akinesia or dyskinesia), and inducibl ...
Titin isoform switching is a major cardiac adaptive response in
... Collagen I and III immunohistochemistry. We used an immunofluorescence method adapted from Neagoe et al. (29). Briefly, left ventricular mesocardium tissues were cut into 6-m sections using a freezing microtome (active, n ⫽ 6; and hibernating, n ⫽ 6). Each sample was processed for both collagen typ ...
... Collagen I and III immunohistochemistry. We used an immunofluorescence method adapted from Neagoe et al. (29). Briefly, left ventricular mesocardium tissues were cut into 6-m sections using a freezing microtome (active, n ⫽ 6; and hibernating, n ⫽ 6). Each sample was processed for both collagen typ ...
Estimating coupling directions in the cardiorespiratory system using
... directions [20]. Its potential has been demonstrated on prototypical model systems, but not yet on experimental data. Here, we will apply the approach of conditioned mean recurrence probabilities for the first time on experimental data that come from a study on cardiovascular variability in pregnanc ...
... directions [20]. Its potential has been demonstrated on prototypical model systems, but not yet on experimental data. Here, we will apply the approach of conditioned mean recurrence probabilities for the first time on experimental data that come from a study on cardiovascular variability in pregnanc ...
Epub ahead of print - Journal of Clinical and Translational
... through membrane receptors known as integrins and mechanosensitive ion channels in the ECM by which cells perceive signals such as shear stress and tensile forces (Fernandes et al. 2009). Decellularized heart ECM would ideally have minimal fiber “fraying,” as well as a total volume and size similar ...
... through membrane receptors known as integrins and mechanosensitive ion channels in the ECM by which cells perceive signals such as shear stress and tensile forces (Fernandes et al. 2009). Decellularized heart ECM would ideally have minimal fiber “fraying,” as well as a total volume and size similar ...
Right Precordial T-Wave Inversion in Healthy Endurance Athletes
... OBJECTIVES The objective of this study was to test the hypothesis that T-wave inversion in the right precordial leads (TWIV2-3) reflects lateral displacement of the heart such that the surface electrocardiographic (ECG) leads overlie a greater proportion of the right ventricle (RV). BACKGROUND TWIV2- ...
... OBJECTIVES The objective of this study was to test the hypothesis that T-wave inversion in the right precordial leads (TWIV2-3) reflects lateral displacement of the heart such that the surface electrocardiographic (ECG) leads overlie a greater proportion of the right ventricle (RV). BACKGROUND TWIV2- ...
Junctional rhythm
... pacemaker becomes less than the rate of the AV node. The junction can “escape in” when the electrical impulses of the SA node fail to reach the AV node within 1 to 1½ seconds as in the following: a. b. ...
... pacemaker becomes less than the rate of the AV node. The junction can “escape in” when the electrical impulses of the SA node fail to reach the AV node within 1 to 1½ seconds as in the following: a. b. ...
Progressive muscle metaboreflex activation gradually decreases
... Wayne State University Animal Investigation Committee and conform with the National Institutes of Health guidelines. Surgical preparation and procedures. On arrival at the laboratory, all animals were accustomed to human handling and during ⬃10 sessions were individually trained to comfortably run f ...
... Wayne State University Animal Investigation Committee and conform with the National Institutes of Health guidelines. Surgical preparation and procedures. On arrival at the laboratory, all animals were accustomed to human handling and during ⬃10 sessions were individually trained to comfortably run f ...
the role of open mitral valve repair or replacement for severe mitral
... leads to embolic complications, impaired cardiac function and reduced long-term survival. Correction at the time of valve surgery is now performed in all our patients. The procedure of choice is the Maze procedure which has a 98% drug free cure rate of atrial fibrillation at three months of followup ...
... leads to embolic complications, impaired cardiac function and reduced long-term survival. Correction at the time of valve surgery is now performed in all our patients. The procedure of choice is the Maze procedure which has a 98% drug free cure rate of atrial fibrillation at three months of followup ...
Improved Left Ventricular Relaxation During Short
... as previously described.4 The position was confirmed in the right and left anterior oblique projections. After fine manipulations of the ventricular electrode, the pacing site producing the shortest QRS-complex duration was chosen as the final outflow tract pacing site. We have previously reported o ...
... as previously described.4 The position was confirmed in the right and left anterior oblique projections. After fine manipulations of the ventricular electrode, the pacing site producing the shortest QRS-complex duration was chosen as the final outflow tract pacing site. We have previously reported o ...
Outcomes of Patients With Prior Coronary Artery Bypass Grafting
... CABG. Their outcomes were examined according to treatment and randomized antithrombin regimen. Results Prior CABG was associated with older age, more frequent comorbidities, higher Thrombolysis In Myocardial Infarction risk score, and lower left ventricular ejection fraction. Patients with versus wi ...
... CABG. Their outcomes were examined according to treatment and randomized antithrombin regimen. Results Prior CABG was associated with older age, more frequent comorbidities, higher Thrombolysis In Myocardial Infarction risk score, and lower left ventricular ejection fraction. Patients with versus wi ...
Arrhythmia-Induced Cardiomyopathies
... nomic influences and resultant slower rates during sleep are likely to be the reasons that AIC is rare or nonexistent with inappropriate sinus tachycardia and postural orthostatic tachycardia syndrome (POTS), although the average heart rate can be >100 beats/ min. There is no specific heart rate cutof ...
... nomic influences and resultant slower rates during sleep are likely to be the reasons that AIC is rare or nonexistent with inappropriate sinus tachycardia and postural orthostatic tachycardia syndrome (POTS), although the average heart rate can be >100 beats/ min. There is no specific heart rate cutof ...
Survival After Rate-Responsive Programming in Patients With
... Background—Rate-responsive pacing (DDDR) versus nonrate-responsive pacing (DDD) has shown no survival benefit for patients undergoing cardiac resynchronization therapy defibrillator (CRT-D) implants. The heart rate score (HRSc), an indicator of heart rate variation, may predict survival. We hypothes ...
... Background—Rate-responsive pacing (DDDR) versus nonrate-responsive pacing (DDD) has shown no survival benefit for patients undergoing cardiac resynchronization therapy defibrillator (CRT-D) implants. The heart rate score (HRSc), an indicator of heart rate variation, may predict survival. We hypothes ...
Heart Failure and Circulatory Shock
... Preload and Afterload. The work that the heart performs consists mainly of ejecting blood that has returned to the ventricles during diastole into the pulmonary or systemic circulations. As with skeletal muscle, the work of cardiac muscle is determined by what is called loading conditions— the stret ...
... Preload and Afterload. The work that the heart performs consists mainly of ejecting blood that has returned to the ventricles during diastole into the pulmonary or systemic circulations. As with skeletal muscle, the work of cardiac muscle is determined by what is called loading conditions— the stret ...
cardiovascular development of the preterm infant
... the intima-media thickened in relation to vessel diameter when they were compared to healthy infants born at term. In addition, we found significant differences in the left ventricular systolic and diastolic function, suggesting that myocardial remodeling may occur as an adaptive process of prematur ...
... the intima-media thickened in relation to vessel diameter when they were compared to healthy infants born at term. In addition, we found significant differences in the left ventricular systolic and diastolic function, suggesting that myocardial remodeling may occur as an adaptive process of prematur ...
Pulse Wave Analysis
... With informed consent, 517 sets of testing data were collected from 318 subjects. The ages of subjects range from 1 to 91 years (mean ± SD, 55 ± 20). 87 subjects were chosen from normal people (mean ±SD, 51 ±17) and the rest were recorded from patients in Department of Cardiology at Shandong Provinc ...
... With informed consent, 517 sets of testing data were collected from 318 subjects. The ages of subjects range from 1 to 91 years (mean ± SD, 55 ± 20). 87 subjects were chosen from normal people (mean ±SD, 51 ±17) and the rest were recorded from patients in Department of Cardiology at Shandong Provinc ...
Situs Inversus with rupture of cerebral blood vessels
... the other side, including the heart. Apart from this anatomical variation no other pathological entity was evident. On opening the cranial cavity, it was found that, there was diffuse sub-dural and sub-arachnoid haemorrhage present all over. On further examination, the anterior cerebral artery was f ...
... the other side, including the heart. Apart from this anatomical variation no other pathological entity was evident. On opening the cranial cavity, it was found that, there was diffuse sub-dural and sub-arachnoid haemorrhage present all over. On further examination, the anterior cerebral artery was f ...
and Murray D. Esler Markus P. Schlaich, David
... component of the increase in LV mass in both hypertensive groups is attributable to increased blood pressure. On the basis of the correlation shown in Figure 2A, cardiac NE spillover only explains ⬇25% of the variation in LV mass. Therefore, LV hypertrophy cannot be attributed solely to cardiac NE r ...
... component of the increase in LV mass in both hypertensive groups is attributable to increased blood pressure. On the basis of the correlation shown in Figure 2A, cardiac NE spillover only explains ⬇25% of the variation in LV mass. Therefore, LV hypertrophy cannot be attributed solely to cardiac NE r ...
Polarographic Oxygen, the Epicardial Electrocardiogram and
... The technic of coronary obstruction was refined with the use of a screw forceps with a small foot resting gently on the epicardium beneath the isolated coronary ramus and between its accompanying veins. The screw of the forceps could be adjusted to produce sudden occlusion, or gradual narrowing with ...
... The technic of coronary obstruction was refined with the use of a screw forceps with a small foot resting gently on the epicardium beneath the isolated coronary ramus and between its accompanying veins. The screw of the forceps could be adjusted to produce sudden occlusion, or gradual narrowing with ...
Chapter 7 Body Systems
... Figure 6-10. Ventricular fibrillation and asystole. Mosby items and derived items © 2011, 2006 by Mosby, Inc., an affiliate of Elsevier Inc. ...
... Figure 6-10. Ventricular fibrillation and asystole. Mosby items and derived items © 2011, 2006 by Mosby, Inc., an affiliate of Elsevier Inc. ...