Cardiovascular Physiology
... two pumps in series, one servicing the pulmonary circulation, the other the systemic unidirectional flow is achieved by four flap valves, a. ...
... two pumps in series, one servicing the pulmonary circulation, the other the systemic unidirectional flow is achieved by four flap valves, a. ...
A Hole in the Heart:Understanding the Link between PFOs and Stroke
... A third PFO treatment option involves a lessinvasive procedure to seal the flap. An implanted closure device, which resembles a tiny umbrella, is delivered to the PFO using a small tube threaded from a vein in the thigh up to the heart. The implant is released and expands in the flap, plugging the h ...
... A third PFO treatment option involves a lessinvasive procedure to seal the flap. An implanted closure device, which resembles a tiny umbrella, is delivered to the PFO using a small tube threaded from a vein in the thigh up to the heart. The implant is released and expands in the flap, plugging the h ...
SUDDEN DEATH IN YOUNG ATHLETES
... through the news media, due to the high public profile of competitive athletes [1-4]. For centuries it was a mystery why cardiac arrest should occur in vigorous athletes, who had previously achieved extraordinary exercise performance without any symptoms. The cause was generally ascribed to myocardi ...
... through the news media, due to the high public profile of competitive athletes [1-4]. For centuries it was a mystery why cardiac arrest should occur in vigorous athletes, who had previously achieved extraordinary exercise performance without any symptoms. The cause was generally ascribed to myocardi ...
Electrocardiographic Evidence for Left Ventricular Hypertrophy
... interventricular septum, may result in obstruction to blood Hypertrophy of the left ventricle usually involves both the free flow from the left ventricle during systole as the septum abuts wall and the interventricular septum. The papillary muscles and trabeculae are thickened and may reduce the lum ...
... interventricular septum, may result in obstruction to blood Hypertrophy of the left ventricle usually involves both the free flow from the left ventricle during systole as the septum abuts wall and the interventricular septum. The papillary muscles and trabeculae are thickened and may reduce the lum ...
Not All Chest Pain is Created Equal
... with diffuse PR segment depression (elevation in aVR).2 Laboratory tests are often non-specific, however, troponin elevation may be seen in up to 50% of patients and may reflect a small amount of myocardial inflammation. Echocardiography is not routinely recommended unless a high index of suspicion ...
... with diffuse PR segment depression (elevation in aVR).2 Laboratory tests are often non-specific, however, troponin elevation may be seen in up to 50% of patients and may reflect a small amount of myocardial inflammation. Echocardiography is not routinely recommended unless a high index of suspicion ...
Full-Text PDF
... attachment of PE villi to the opposite surface of the developing ventricles (Figure 1). This PE-derived tissue bridge is called the sinu-ventricular ligament since it runs from the ventral wall of the sinus venosus to the dorsal wall of the ventricles [5]. The goal of the PE-blocking technique, thus ...
... attachment of PE villi to the opposite surface of the developing ventricles (Figure 1). This PE-derived tissue bridge is called the sinu-ventricular ligament since it runs from the ventral wall of the sinus venosus to the dorsal wall of the ventricles [5]. The goal of the PE-blocking technique, thus ...
CO2_Renal_Angiogram
... CO2 is lighter than blood plasma; therefore, it floats above the blood. When injected into a large vessel such as the aorta or inferior vena cava, CO2 bubbles flow along the anterior part of the vessel with incomplete blood displacement along the posterior portion. Because of their anterior origin, ...
... CO2 is lighter than blood plasma; therefore, it floats above the blood. When injected into a large vessel such as the aorta or inferior vena cava, CO2 bubbles flow along the anterior part of the vessel with incomplete blood displacement along the posterior portion. Because of their anterior origin, ...
Functional and Structural Differences in Atria Versus Ventricles in
... However, a similar atrium to ventricle mass ratio exists in species with very different life‐ styles (0.2 in active Atlantic salmon, Atlantic cod and inactive winter flounder - [28]). More active fish also show a difference in whole heart shape with active fish (e.g. salmonid and scombrid families) ...
... However, a similar atrium to ventricle mass ratio exists in species with very different life‐ styles (0.2 in active Atlantic salmon, Atlantic cod and inactive winter flounder - [28]). More active fish also show a difference in whole heart shape with active fish (e.g. salmonid and scombrid families) ...
Effect of Heart Rate Control With Esmolol on Hemodynamic and
... Survival plots for time-to-event outcomes were designed as recommended by Pocock et al.17 We initially estimated mortality risk from the SAPS II score.18 This is usually computed using the most extreme values collected over the first 24 hours following ICU admission, whereas we used values measured ...
... Survival plots for time-to-event outcomes were designed as recommended by Pocock et al.17 We initially estimated mortality risk from the SAPS II score.18 This is usually computed using the most extreme values collected over the first 24 hours following ICU admission, whereas we used values measured ...
Evaluation with Multidetector CT and MR Imaging in a
... States and other countries, the number of these procedures has increased each year. In relatively recent studies, researchers have identified coronary microemboli as a compounding cause of regional myocardial contractile dysfunction and perfusion deficits in these patients (1–5). In fact, coronary m ...
... States and other countries, the number of these procedures has increased each year. In relatively recent studies, researchers have identified coronary microemboli as a compounding cause of regional myocardial contractile dysfunction and perfusion deficits in these patients (1–5). In fact, coronary m ...
Impact of Pacing on Systemic Ventricular Function in L
... Aim • Compare the impact of univentricular versus biventricular pacing on systemic ventricular function in all pts with ccTGA ...
... Aim • Compare the impact of univentricular versus biventricular pacing on systemic ventricular function in all pts with ccTGA ...
Cardiac Contractility
... Patient placed on a cardiac monitor, O2 via nasal cannular and IV access established. ...
... Patient placed on a cardiac monitor, O2 via nasal cannular and IV access established. ...
View Slides
... Aim • Compare the impact of univentricular versus biventricular pacing on systemic ventricular function in all pts with ccTGA ...
... Aim • Compare the impact of univentricular versus biventricular pacing on systemic ventricular function in all pts with ccTGA ...
BE III PG 1-5
... The first step is to evaluate the P waves. P waves indicate whether the atrial rhythm is normal. For proper diagnosis of an ECG, technicians should ask themselves the following questions: Are the P waves occurring at regular intervals? Do the P waves all have the same appearance on the ECG? Are the ...
... The first step is to evaluate the P waves. P waves indicate whether the atrial rhythm is normal. For proper diagnosis of an ECG, technicians should ask themselves the following questions: Are the P waves occurring at regular intervals? Do the P waves all have the same appearance on the ECG? Are the ...
16959_JHVD_May_Antunes_3364_r1:Layout 1
... Moreover, these phenomena may differ from patient to patient, which explains the variability of distinct observations. In conclusion, the use of ePTFE for chordal substitution has represented a significant advance in the technique of mitral valve repair, with excellent reliability and durability. Ho ...
... Moreover, these phenomena may differ from patient to patient, which explains the variability of distinct observations. In conclusion, the use of ePTFE for chordal substitution has represented a significant advance in the technique of mitral valve repair, with excellent reliability and durability. Ho ...
Is it time for home treatment of pulmonary embolism? REVIEW
... in the acute phase of PE. Based on these prognostic factors (reviewed in [13]), the possible criteria for early discharge and home treatment appear theoretically easy to define, as: 1) Absence of overt right heart failure (persistent arterial hypotension or cardiogenic shock); 2) absence of RV dysfu ...
... in the acute phase of PE. Based on these prognostic factors (reviewed in [13]), the possible criteria for early discharge and home treatment appear theoretically easy to define, as: 1) Absence of overt right heart failure (persistent arterial hypotension or cardiogenic shock); 2) absence of RV dysfu ...
Left ventricular diastolic dysfunction
... a leftward septal shift will result in diminished distensibility of the left ventricle. In addition, reduced distensibility may occur due to restrictive pericarditis or pericardial tamponade or fluid filled pericardium Relaxation: Ventricular relaxation is energy consumptive process. Adenosine triph ...
... a leftward septal shift will result in diminished distensibility of the left ventricle. In addition, reduced distensibility may occur due to restrictive pericarditis or pericardial tamponade or fluid filled pericardium Relaxation: Ventricular relaxation is energy consumptive process. Adenosine triph ...
physical and flow properties of blood
... removal of waste products. The discovery of the circulation of blood in the human body is related to William Harvey (1578–1657). The circulatory system consists of the heart—the pump that generates the pressure gradients needed to drive blood to all body tissues, the blood vessels—the delivery route ...
... removal of waste products. The discovery of the circulation of blood in the human body is related to William Harvey (1578–1657). The circulatory system consists of the heart—the pump that generates the pressure gradients needed to drive blood to all body tissues, the blood vessels—the delivery route ...
Comparison of treadmill scores with physician estimates of
... not withheld, and a maximum heart rate target was not used as an end point.14 The exercise tests were performed, analyzed, and reported by use of a computerized database that generates the report and stores the responses of the physicians (EXTRA, Mosby, Chicago, Ill).15 ...
... not withheld, and a maximum heart rate target was not used as an end point.14 The exercise tests were performed, analyzed, and reported by use of a computerized database that generates the report and stores the responses of the physicians (EXTRA, Mosby, Chicago, Ill).15 ...
Chapter_014 heart lecture
... (first heart sound). Pressure continues to rise. Aortic and pulmonic valves open. ...
... (first heart sound). Pressure continues to rise. Aortic and pulmonic valves open. ...
A Novel Paradigm for Heart Failure With Preserved Ejection Fraction
... Over the past decade, myocardial structure, cardiomyocyte function, and intramyocardial signaling were shown to be specifically altered in heart failure with preserved ejection fraction (HFPEF). A new paradigm for HFPEF development is therefore proposed, which identifies a systemic proinflammatory stat ...
... Over the past decade, myocardial structure, cardiomyocyte function, and intramyocardial signaling were shown to be specifically altered in heart failure with preserved ejection fraction (HFPEF). A new paradigm for HFPEF development is therefore proposed, which identifies a systemic proinflammatory stat ...
Assessment of segmental wall motion abnormalities - AJP
... complications due to surgery and/or presumed myocardial infarction. Two mice (1.9%) died after induction of anesthesia. One (0.9%) died during echocardiography. Another (0.9%) died just after injection of the contrast agent. HR in awake mice before left coronary ligation ranged between 450 and 600 ( ...
... complications due to surgery and/or presumed myocardial infarction. Two mice (1.9%) died after induction of anesthesia. One (0.9%) died during echocardiography. Another (0.9%) died just after injection of the contrast agent. HR in awake mice before left coronary ligation ranged between 450 and 600 ( ...
Studies on lipid profile levels in hypertensive and type 2 diabetes
... determine whether these biochemical parameters were affected in individuals associated with these disease conditions. A total of one hundred and thirty-three (133) individuals were used for these studies. Of these thirty-five (35) were established hypertensive diabetics and thirty (30) are establish ...
... determine whether these biochemical parameters were affected in individuals associated with these disease conditions. A total of one hundred and thirty-three (133) individuals were used for these studies. Of these thirty-five (35) were established hypertensive diabetics and thirty (30) are establish ...
Intensity of Heart Sounds in the Evaluation of Patients following
... that blood pressure is not the primary hemodynamic determinant ...
... that blood pressure is not the primary hemodynamic determinant ...
The future of mitral valve repair The future of mitral valve repair
... Survival rate 60 % ‐ 90 % over 3‐7 yrs Restenosis rate 40% after 7 yrs. Randomized trials comparing percutaneous approach with both closed and open surgical commissurotomy consisted mainly of younger patients p g y y y g p with favorable morphology. – No significant difference in acute hemodynamic ...
... Survival rate 60 % ‐ 90 % over 3‐7 yrs Restenosis rate 40% after 7 yrs. Randomized trials comparing percutaneous approach with both closed and open surgical commissurotomy consisted mainly of younger patients p g y y y g p with favorable morphology. – No significant difference in acute hemodynamic ...