Endocardial wave front organization during ventricular
... function of electrode number. The x-axis is time in milliseconds. The y-axis is electrode number. Note that activation fronts propagate for long distances along the catheter. (B) Simulated activation times as a function of electrode number. The same number of activations are plotted as in A. Activat ...
... function of electrode number. The x-axis is time in milliseconds. The y-axis is electrode number. Note that activation fronts propagate for long distances along the catheter. (B) Simulated activation times as a function of electrode number. The same number of activations are plotted as in A. Activat ...
Part b
... Regulation of Stroke Volume • Contractility: contractile strength at a given muscle length, independent of muscle stretch and EDV • Positive inotropic agents increase contractility • Increased Ca2+ influx due to sympathetic stimulation • Hormones (thyroxine, glucagon, and epinephrine) ...
... Regulation of Stroke Volume • Contractility: contractile strength at a given muscle length, independent of muscle stretch and EDV • Positive inotropic agents increase contractility • Increased Ca2+ influx due to sympathetic stimulation • Hormones (thyroxine, glucagon, and epinephrine) ...
Heart Rate Recovery After Exercise and Long-term
... 46 Bpm at 3 minutes was independently associated with longterm all-cause mortality, while a statistical trend was noted for CV mortality. The novelty of this study is that it is the first to evaluate the prognostic value of HRR at 3 minutes post exercise. Furthermore, HRR was measured during a passi ...
... 46 Bpm at 3 minutes was independently associated with longterm all-cause mortality, while a statistical trend was noted for CV mortality. The novelty of this study is that it is the first to evaluate the prognostic value of HRR at 3 minutes post exercise. Furthermore, HRR was measured during a passi ...
positive displacement fluid flutter using coupled plate strain energy
... of such a device could be highly instrumental in transporting delicate fluid through a system without inducing violent shear stresses or chaotic fluid turbidity which damage delicate red blood cell corpuscles. Forcing blood through the vast array of arteries and veins requires a transient pressure p ...
... of such a device could be highly instrumental in transporting delicate fluid through a system without inducing violent shear stresses or chaotic fluid turbidity which damage delicate red blood cell corpuscles. Forcing blood through the vast array of arteries and veins requires a transient pressure p ...
Management of patients with palpitations: a position paper from the
... Psychosomatic disorders that are most frequently associated with palpitations include anxiety, panic attacks, depression, and somatization, which can either induce sinus tachycardia or modify the patient’s subjective perception of a heartbeat that is otherwise normal or presents minimal irregulariti ...
... Psychosomatic disorders that are most frequently associated with palpitations include anxiety, panic attacks, depression, and somatization, which can either induce sinus tachycardia or modify the patient’s subjective perception of a heartbeat that is otherwise normal or presents minimal irregulariti ...
Minimizing Complications from Temporary Epicardial Pacing Wires
... If right atrial appendage used, be certain bare wire does not inadvertently also contact right ventricle, as simultaneous atrial and ventricular contraction could occur with resultant hemodynamic compromise. ...
... If right atrial appendage used, be certain bare wire does not inadvertently also contact right ventricle, as simultaneous atrial and ventricular contraction could occur with resultant hemodynamic compromise. ...
![Percutaneous interventions in CHD [1]Shunt lesions](http://s1.studyres.com/store/data/002863054_1-7d67b4fe57fdc0f6dc9fed277d528ca5-300x300.png)
Percutaneous interventions in CHD [1]Shunt lesions
... Indications for Transcatheter PDA occlusion …. • moderate-sized or large PDA with LR shunt that results in any of : CHF, FTT, pulmonary overcirculation (+ PAH) or an enlarged LA or LV [class1] • h/o prior endarteritis [class1] • reasonable in small LR shunt with normal-sized heart chambers when t ...
... Indications for Transcatheter PDA occlusion …. • moderate-sized or large PDA with LR shunt that results in any of : CHF, FTT, pulmonary overcirculation (+ PAH) or an enlarged LA or LV [class1] • h/o prior endarteritis [class1] • reasonable in small LR shunt with normal-sized heart chambers when t ...
Vascular Pathophysiology in Response to Increased Heart Rate
... This review summarizes the current literature and the open questions regarding the physiology and pathophysiology of the mechanical effects of heart rate on the vessel wall and the associated molecular signaling that may have implications for patient care. Epidemiological evidence shows that resting ...
... This review summarizes the current literature and the open questions regarding the physiology and pathophysiology of the mechanical effects of heart rate on the vessel wall and the associated molecular signaling that may have implications for patient care. Epidemiological evidence shows that resting ...
Section 12.1
... • Blood pressure is the force with which blood pushes against the walls of your blood vessels. • Normal Blood Pressure A blood pressure reading is considered normal if it falls within the range of 90/60 to 119/79. • Low Blood Pressure Blood pressure lower than 90/60 is considered to be low blood pre ...
... • Blood pressure is the force with which blood pushes against the walls of your blood vessels. • Normal Blood Pressure A blood pressure reading is considered normal if it falls within the range of 90/60 to 119/79. • Low Blood Pressure Blood pressure lower than 90/60 is considered to be low blood pre ...
Section 12.1
... • Blood pressure is the force with which blood pushes against the walls of your blood vessels. • Normal Blood Pressure A blood pressure reading is considered normal if it falls within the range of 90/60 to 119/79. • Low Blood Pressure Blood pressure lower than 90/60 is considered to be low blood pre ...
... • Blood pressure is the force with which blood pushes against the walls of your blood vessels. • Normal Blood Pressure A blood pressure reading is considered normal if it falls within the range of 90/60 to 119/79. • Low Blood Pressure Blood pressure lower than 90/60 is considered to be low blood pre ...
OLD SINS HAVE LONG SHADOWS Division of Pulmonary and
... area on the first digit of the right foot, known as Koenan’s tumor or periungual fibroma (Figure 3). These skin lesions are characteristic of Tuberous Sclerosis. The rest of the head and neck findings were unremarkable. Chest examination showed assymetrical expansion, with intercostal and subcostal ...
... area on the first digit of the right foot, known as Koenan’s tumor or periungual fibroma (Figure 3). These skin lesions are characteristic of Tuberous Sclerosis. The rest of the head and neck findings were unremarkable. Chest examination showed assymetrical expansion, with intercostal and subcostal ...
Investigating Intrinsic Myocardial Mechanics: The Role of MR
... has also been tried by Dougherty et al (27) and proven to be as fast as the snakes (or splines) method but more accurate, as it allows tracking of every single pixel. Optical flow describes the movement of points from one frame to the next, and hence can be a useful tool in detecting myocardial moti ...
... has also been tried by Dougherty et al (27) and proven to be as fast as the snakes (or splines) method but more accurate, as it allows tracking of every single pixel. Optical flow describes the movement of points from one frame to the next, and hence can be a useful tool in detecting myocardial moti ...
The Cardiovascular System - McGraw Hill Higher Education
... Learning Outcomes (cont.) 23.14 Explain the difference between Rh-positive blood and Rh-negative blood. 23.15 Explain the importance of blood typing and tell which blood types are compatible. 23.16 Describe the causes, signs and symptoms, and treatments of various diseases and disorders of the cardi ...
... Learning Outcomes (cont.) 23.14 Explain the difference between Rh-positive blood and Rh-negative blood. 23.15 Explain the importance of blood typing and tell which blood types are compatible. 23.16 Describe the causes, signs and symptoms, and treatments of various diseases and disorders of the cardi ...
The Association of Postoperative Right Ventricular Restrictive
... Background --- The increase in survival rate of Tetralogy of Fallot (TOF) patients lead to an increase in the number of post-op patients requiring critical follow-up. Abnormal Right Ventricular (RV) physiology is a significant long-term problem for these patients. Some studies show that RV restricti ...
... Background --- The increase in survival rate of Tetralogy of Fallot (TOF) patients lead to an increase in the number of post-op patients requiring critical follow-up. Abnormal Right Ventricular (RV) physiology is a significant long-term problem for these patients. Some studies show that RV restricti ...
Transcatheter aortic and mitral valve interventions
... Many groups have reported a tendency towards more adverse events and higher mortality rates in patients treated by TA-AVI as opposed to TF-AVI. However, detailed ana lysis of the respective patient populations has revealed patient risk factors to be responsible for this effect, rather than procedu ...
... Many groups have reported a tendency towards more adverse events and higher mortality rates in patients treated by TA-AVI as opposed to TF-AVI. However, detailed ana lysis of the respective patient populations has revealed patient risk factors to be responsible for this effect, rather than procedu ...
Fluid Overload: Diagnosis and Management
... that normally weaves the cardiac myocytes together. The net result of cardiac matrix metalloproteinase activation is loss of the normal interstitial supporting structure. When LV wall stress and strain are heightened as a result of changes in LV geometric size and shape, there may be slippage of myo ...
... that normally weaves the cardiac myocytes together. The net result of cardiac matrix metalloproteinase activation is loss of the normal interstitial supporting structure. When LV wall stress and strain are heightened as a result of changes in LV geometric size and shape, there may be slippage of myo ...
Constrictive
... during mid and late diastole • Respiratory variation in ventricular chamber size ...
... during mid and late diastole • Respiratory variation in ventricular chamber size ...
PHYSIOLOGICAL RESPONSES TO EXERCISE
... soon as you begin to exercise your muscle cells increase their demands for oxygen (O2). As exercise continues there is also an increased need to remove wastes such as carbon dioxide(CO2) and lactic acid. Immediately, your heart will beat faster and your breathing rate will increase to try and meet ...
... soon as you begin to exercise your muscle cells increase their demands for oxygen (O2). As exercise continues there is also an increased need to remove wastes such as carbon dioxide(CO2) and lactic acid. Immediately, your heart will beat faster and your breathing rate will increase to try and meet ...
Impaired Myocardial Oxygenation Response to Stress in Patients
... Methods and Results-—Fifty-three subjects (23 subjects with CKD, 10 RT recipients, 10 hypertensive (HT) controls, and 10 normal controls without known coronary artery disease) underwent CMR scanning. All groups had cine and BOLD CMR at 3 T. The RT and HT groups also had late gadolinium CMR to assess ...
... Methods and Results-—Fifty-three subjects (23 subjects with CKD, 10 RT recipients, 10 hypertensive (HT) controls, and 10 normal controls without known coronary artery disease) underwent CMR scanning. All groups had cine and BOLD CMR at 3 T. The RT and HT groups also had late gadolinium CMR to assess ...
Unusual RighttoLeft Shunt by SingleSided Bilateral Inferior Vena Cava
... vein and the absence of the hepatic portion of the IVC.9 Duplications of the IVC constitutes the major portion having a prevalence of 2–3%.10,11 The double IVC in the presented case is considered as a single sided, whereas from the most cases in the literature, the IVC duplication is double sided. W ...
... vein and the absence of the hepatic portion of the IVC.9 Duplications of the IVC constitutes the major portion having a prevalence of 2–3%.10,11 The double IVC in the presented case is considered as a single sided, whereas from the most cases in the literature, the IVC duplication is double sided. W ...
Does a Pacemaker help Atrial Fibrillation?
... Cont.…..heart rate too much or cause times when the heart is not beating at all. When the medications are decreased or stopped, then the atrial fibrillation returns or the heart rate is too fast. This situation occurs frequently and many times requires a pacemaker to help keep the heart rate from g ...
... Cont.…..heart rate too much or cause times when the heart is not beating at all. When the medications are decreased or stopped, then the atrial fibrillation returns or the heart rate is too fast. This situation occurs frequently and many times requires a pacemaker to help keep the heart rate from g ...
Curriculum Vitae
... I would like to start by saying how much privileged and honored I feel to have been nominated as candidate for the position of President Elect. I stand for this election with the track record of having served the ESC for over 12 years in several leading positions. As main positions I was the Founder ...
... I would like to start by saying how much privileged and honored I feel to have been nominated as candidate for the position of President Elect. I stand for this election with the track record of having served the ESC for over 12 years in several leading positions. As main positions I was the Founder ...
HEALTH AND SAFETY CODE TITLE 2. HEALTH SUBTITLE B
... CHAPTER 39. CHILDREN'S OUTREACH HEART PROGRAM ...
... CHAPTER 39. CHILDREN'S OUTREACH HEART PROGRAM ...
Left Ventricular Hypertrophy Is Associated With Increased Infarct
... Normality of continuous variables was evaluated by histograms. Student t test was performed if the data were considered normally distributed, and the Mann–Whitney U test was used otherwise. Categorical variables were compared with the chi-square test or Fisher’s exact test. Regression analyses were ...
... Normality of continuous variables was evaluated by histograms. Student t test was performed if the data were considered normally distributed, and the Mann–Whitney U test was used otherwise. Categorical variables were compared with the chi-square test or Fisher’s exact test. Regression analyses were ...