File - Sheffield Peer Teaching Society
... Frank-‐Starling’s Law ‘stroke volume will increase in response to an increase end diastolic volume when all other factors remain constant’ ...
... Frank-‐Starling’s Law ‘stroke volume will increase in response to an increase end diastolic volume when all other factors remain constant’ ...
Cardiac murmurs in children
... The Montreal Children’s Hospital of the McGill University Health Centre have heart murmurs. However, only a small percentage of these children suffer from significant heart problems. A cardiac murmur is a noise made by the heart as it pumps blood. This is over and above the normal sound of a beating ...
... The Montreal Children’s Hospital of the McGill University Health Centre have heart murmurs. However, only a small percentage of these children suffer from significant heart problems. A cardiac murmur is a noise made by the heart as it pumps blood. This is over and above the normal sound of a beating ...
CARDIAC SURGERY IN JORDAN ( An Overview)
... figures. At the time life expectancy after a heart transplant was in the region of months at best. And also because of the “experimental” label that such procedures carried. With improvement of anti rejection therapy, myocardial preservation and surgical technique, certain centers in the United Stat ...
... figures. At the time life expectancy after a heart transplant was in the region of months at best. And also because of the “experimental” label that such procedures carried. With improvement of anti rejection therapy, myocardial preservation and surgical technique, certain centers in the United Stat ...
heart - WordPress.com
... The Layers of the Heart Wall • Epicardium/visceral pericardium: outermost layer, thin, transparent layer. • Pericardial cavity: separates epicardium and serous pericardium. This cavity contains a watery fluid called pericardial fluid, which reduces friction and erosion of tissue between these membr ...
... The Layers of the Heart Wall • Epicardium/visceral pericardium: outermost layer, thin, transparent layer. • Pericardial cavity: separates epicardium and serous pericardium. This cavity contains a watery fluid called pericardial fluid, which reduces friction and erosion of tissue between these membr ...
Asymmetric redirection of ¯ow through the heart
... towards rather than away from atrio-ventricular valves (Figs 1±3). Relatively coherent swirling of blood, although potentially associated with higher wall sheer stresses, might avoid excessive dissipation of energy by limiting ¯ow separation and instability (see animated images in Supplementary Info ...
... towards rather than away from atrio-ventricular valves (Figs 1±3). Relatively coherent swirling of blood, although potentially associated with higher wall sheer stresses, might avoid excessive dissipation of energy by limiting ¯ow separation and instability (see animated images in Supplementary Info ...
Myocardial physiology - e-safe
... flow through ventricular vessels. Conversely, right coronary arterial flow rate is highest during systole, because the aortic pressure driving flow increases more during systole (from 80 to 120mmHg) than the right ventricular pressure, which opposes flow (from 0 to 25mmHg). As about 80% of the total ...
... flow through ventricular vessels. Conversely, right coronary arterial flow rate is highest during systole, because the aortic pressure driving flow increases more during systole (from 80 to 120mmHg) than the right ventricular pressure, which opposes flow (from 0 to 25mmHg). As about 80% of the total ...
Cardiomyopathies
... prohibited because most sudden deaths occur during or immediately after vigorous physical exertion, especially in adolescents and young adults. ...
... prohibited because most sudden deaths occur during or immediately after vigorous physical exertion, especially in adolescents and young adults. ...
Chapter 17 The Cardiovascular system: The Heart
... Pressure from blood on pulmonary and aortic semilunar valves may affect the amount of pressure that must be produced by the ventricles to eject blood. This is not a major determinant on stroke volume, but may have some effect on patients with hypertension because more blood remains within the heart. ...
... Pressure from blood on pulmonary and aortic semilunar valves may affect the amount of pressure that must be produced by the ventricles to eject blood. This is not a major determinant on stroke volume, but may have some effect on patients with hypertension because more blood remains within the heart. ...
THE HEART
... 3. Cardiac muscle contractions are always brief twitches. In skeletal muscles, contractions resulting from rapid repetitive stimulation can summate to provide sustained contraction. This can not happen in cardiac muscle because the long refractory period cancels any stimulus that occurs before the h ...
... 3. Cardiac muscle contractions are always brief twitches. In skeletal muscles, contractions resulting from rapid repetitive stimulation can summate to provide sustained contraction. This can not happen in cardiac muscle because the long refractory period cancels any stimulus that occurs before the h ...
Heart of the Matter KEY
... Movement by muscles pulling on bones would not be possible if blood did not supply this tissue with the key resource, oxygen. The flow of blood around the body ensures that essential nutrients are delivered and wastes are moved away for disposal. At the center of this system is the amazing pump, the ...
... Movement by muscles pulling on bones would not be possible if blood did not supply this tissue with the key resource, oxygen. The flow of blood around the body ensures that essential nutrients are delivered and wastes are moved away for disposal. At the center of this system is the amazing pump, the ...
Diseases of the Conduction System
... and varied. The authors have selected a few representative entities for this section: complete heart block as a consequence of primary tumor of the atrioventricular node [47], complete heart block associated with aortic stenosis and surgical replacement of the aortic valve [48], and congenital compl ...
... and varied. The authors have selected a few representative entities for this section: complete heart block as a consequence of primary tumor of the atrioventricular node [47], complete heart block associated with aortic stenosis and surgical replacement of the aortic valve [48], and congenital compl ...
Pulmonary blood flow - Society for Cardiovascular Angiography and
... 4. The materials are to be used free of charge. Neither the users nor SCAI shall charge a fee for use of these materials. 5. The materials remain the sole intellectual property of the individual contributors, who retain copyright to those materials and have granted SCAI a license to post them on thi ...
... 4. The materials are to be used free of charge. Neither the users nor SCAI shall charge a fee for use of these materials. 5. The materials remain the sole intellectual property of the individual contributors, who retain copyright to those materials and have granted SCAI a license to post them on thi ...
Rheumatic heart disease (RHD)
... immediately after the first sound. Aortic ejection murmur : mid systolic murmur, heard over the right 2nd intercostal space by the side of the sternum, radiates to the neck towards both the carotids, and also called diamond shaped ejection systolic murmur. Aortic component of the second sound is eit ...
... immediately after the first sound. Aortic ejection murmur : mid systolic murmur, heard over the right 2nd intercostal space by the side of the sternum, radiates to the neck towards both the carotids, and also called diamond shaped ejection systolic murmur. Aortic component of the second sound is eit ...
Right Atrium: sinus venarum: thin-walled posterior part, where vena
... attaching to the anterior and posterior cusps. The smaller posterior muscle, which may consist of several parts, has cords attaching to the posterior and septal cusps. The septal muscle, when there is one, has cords attaching to the anterior and septal cusps. If there is no septal muscle, chordae te ...
... attaching to the anterior and posterior cusps. The smaller posterior muscle, which may consist of several parts, has cords attaching to the posterior and septal cusps. The septal muscle, when there is one, has cords attaching to the anterior and septal cusps. If there is no septal muscle, chordae te ...
Heart rhythm 101
... we need to know how the heart works We have hands on time and the opportunity to recognize changes in our patients condition. We need to recognize what is “normal” and what is a potential problem ...
... we need to know how the heart works We have hands on time and the opportunity to recognize changes in our patients condition. We need to recognize what is “normal” and what is a potential problem ...
A new and innovative surgical technique for the treatment of
... Dr. Ferrazzi. «This is the fruit of years of study and work, begun in Bergamo and continued in Monza, together with colleagues from some of Italy's most prestigious cardiology departments specialized in the treatment of hypertrophic cardiomyopathy. » Hypertrophic cardiomyopathy is a genetic disease ...
... Dr. Ferrazzi. «This is the fruit of years of study and work, begun in Bergamo and continued in Monza, together with colleagues from some of Italy's most prestigious cardiology departments specialized in the treatment of hypertrophic cardiomyopathy. » Hypertrophic cardiomyopathy is a genetic disease ...
ch_18_lecture_outline_a
... 3 Papillary muscles contract and chordae tendineae tighten, preventing valve flaps from everting into atria. ...
... 3 Papillary muscles contract and chordae tendineae tighten, preventing valve flaps from everting into atria. ...
New notes
... (ESV), the volume of blood that remains in the ventricle after contraction is complete. b. The Frank-Starling law of the heart states that the critical factor controlling stroke volume is preload, the degree of stretch of cardiac muscle cells immediately before they contract. c. The most important f ...
... (ESV), the volume of blood that remains in the ventricle after contraction is complete. b. The Frank-Starling law of the heart states that the critical factor controlling stroke volume is preload, the degree of stretch of cardiac muscle cells immediately before they contract. c. The most important f ...
The Cardi.QvascularSystem:
... syllables describing heart sounds during the cardiac cycle are (3) . The first heart sound is a result of closure of the (4) valves; closure of the (5) valves causes the second heart sound. The heart chambers that have just been filled when you hear the first heart sound are the (6) and the chambers ...
... syllables describing heart sounds during the cardiac cycle are (3) . The first heart sound is a result of closure of the (4) valves; closure of the (5) valves causes the second heart sound. The heart chambers that have just been filled when you hear the first heart sound are the (6) and the chambers ...
ch 20 The Heart
... and the same bands, zones, and Z discs as skeletal muscles. 3. They do have less sarcoplasmic reticulum than skeletal muscles and require Ca+2 from extracellular fluid for contraction. 4. They form two separate functional networks in the heart: the atrial and the ventricular networks. ...
... and the same bands, zones, and Z discs as skeletal muscles. 3. They do have less sarcoplasmic reticulum than skeletal muscles and require Ca+2 from extracellular fluid for contraction. 4. They form two separate functional networks in the heart: the atrial and the ventricular networks. ...
Heart Murmur Black and White - Seattle Veterinary Specialists
... • Chest X-ray. A chest X-ray shows an image of the heart, lungs and blood vessels. It can reveal if the heart is enlarged which will let your vet know if the murmur is due to significant heart disease. If the images from the chest x-ray are unclear or if the heart appears significantly enlarged, the ...
... • Chest X-ray. A chest X-ray shows an image of the heart, lungs and blood vessels. It can reveal if the heart is enlarged which will let your vet know if the murmur is due to significant heart disease. If the images from the chest x-ray are unclear or if the heart appears significantly enlarged, the ...
Heart Murmur color - Seattle Veterinary Specialists
... • Chest X-ray. A chest X-ray shows an image of the heart, lungs and blood vessels. It can reveal if the heart is enlarged which will let your vet know if the murmur is due to significant heart disease. If the images from the chest x-ray are unclear or if the heart appears significantly enlarged, the ...
... • Chest X-ray. A chest X-ray shows an image of the heart, lungs and blood vessels. It can reveal if the heart is enlarged which will let your vet know if the murmur is due to significant heart disease. If the images from the chest x-ray are unclear or if the heart appears significantly enlarged, the ...
A case of 75-year-old survivor of unrepaired tetralogy of Fallot and
... with TOF is rarely encountered. A few cases of bicuspid aortic valve in TOF patients were reported.10,13 Our case is a very unusual combination of TOF and quadricuspid aortic valve QAV. QAV is a rare congenital malformation often associated with other cardiac disorders, such as PDA, VSD, pulmonary s ...
... with TOF is rarely encountered. A few cases of bicuspid aortic valve in TOF patients were reported.10,13 Our case is a very unusual combination of TOF and quadricuspid aortic valve QAV. QAV is a rare congenital malformation often associated with other cardiac disorders, such as PDA, VSD, pulmonary s ...
Document
... acceleration and deceleration of blood masses contained by an elastic boundary. • Decelaration of blood columns attended upon by closure of semilunar valve valve produces second heart sound. • Stein and colleagues modification-Heart sounds are produced by pressure gradients created across closed ela ...
... acceleration and deceleration of blood masses contained by an elastic boundary. • Decelaration of blood columns attended upon by closure of semilunar valve valve produces second heart sound. • Stein and colleagues modification-Heart sounds are produced by pressure gradients created across closed ela ...
Cardiovascular Disorders
... subaortic stenosis, and ventricular aneurysm. There are also congenital lesions that predispose adults to endocarditis: these include ventricular septal defect (VSD), bicuspid aortic valve, and coarctation of the aorta. Vegetations occur when a high-pressure jet enters a low-pressure cavity through ...
... subaortic stenosis, and ventricular aneurysm. There are also congenital lesions that predispose adults to endocarditis: these include ventricular septal defect (VSD), bicuspid aortic valve, and coarctation of the aorta. Vegetations occur when a high-pressure jet enters a low-pressure cavity through ...
Artificial heart valve
An artificial heart valve is a device implanted in the heart of a patient with valvular heart disease. When one of the four heart valves malfunctions, the medical choice may be to replace the natural valve with an artificial valve. This requires open-heart surgery.Valves are integral to the normal physiological functioning of the human heart. Natural heart valves are evolved to forms that perform the functional requirement of inducing unidirectional blood flow through the valve structure from one chamber of the heart to another. Natural heart valves become dysfunctional for a variety of pathological causes. Some pathologies may require complete surgical replacement of the natural heart valve with a heart valve prosthesis.