Chapter 19 *Lecture PowerPoint The Circulatory
... • Myocardial infarction—sudden death of a patch of myocardium resulting from long-term obstruction of coronary circulation – Atheroma (blood clot or fatty deposit) often obstructs coronary arteries – Cardiac muscle downstream of the blockage dies – Heavy pressure or squeezing pain radiating into the ...
... • Myocardial infarction—sudden death of a patch of myocardium resulting from long-term obstruction of coronary circulation – Atheroma (blood clot or fatty deposit) often obstructs coronary arteries – Cardiac muscle downstream of the blockage dies – Heavy pressure or squeezing pain radiating into the ...
Exercise Stress Echocardiography With Tissue Doppler Imaging (TDI)
... available to identify patients at high risk of heart failure and arrhythmia from myocardial siderosis; nevertheless, it is not a fast and bedside technique as echocardiography. TM patients are prone to iron overload due to chronic blood transfusion and increased intestinal absorption [2]. Within iro ...
... available to identify patients at high risk of heart failure and arrhythmia from myocardial siderosis; nevertheless, it is not a fast and bedside technique as echocardiography. TM patients are prone to iron overload due to chronic blood transfusion and increased intestinal absorption [2]. Within iro ...
Clarifying the Physiological Processes behind Foucault Cardiogram
... considered to be a mechanism of the FouCG origination. The FouCG waveform, recorded with a single-coil sensor positioned with its centre slightly below the apexbeat, is promisingly similar [5] to ventricular volume curves typically found in medical books. To clarify the physiological processes behin ...
... considered to be a mechanism of the FouCG origination. The FouCG waveform, recorded with a single-coil sensor positioned with its centre slightly below the apexbeat, is promisingly similar [5] to ventricular volume curves typically found in medical books. To clarify the physiological processes behin ...
Bronchogenic Cyst with Extrinsic Pulmonary Vein and Left Atrial
... Figure 5. Transesophageal echocardiography (TEE) with pulsed-wave Doppler of the pulmonary veins. Sampling was performed within 1 cm of the orifice of the pulmonary vein evaluated. (A) Left upper pulmonary vein flow demonstrated a relatively high velocity (1 m/sec), with a prolonged deceleration slo ...
... Figure 5. Transesophageal echocardiography (TEE) with pulsed-wave Doppler of the pulmonary veins. Sampling was performed within 1 cm of the orifice of the pulmonary vein evaluated. (A) Left upper pulmonary vein flow demonstrated a relatively high velocity (1 m/sec), with a prolonged deceleration slo ...
Quantitative volumetric analysis of cardiac morphogenesis assessed
... stages of development assessed. Quantification of changes in chamber volume over development revealed several notable results that confirm earlier hypotheses. Heart chamber volumes grow over two orders of magnitude during the 1-week developmental period analyzed. The atrioventricular canal comprised a ...
... stages of development assessed. Quantification of changes in chamber volume over development revealed several notable results that confirm earlier hypotheses. Heart chamber volumes grow over two orders of magnitude during the 1-week developmental period analyzed. The atrioventricular canal comprised a ...
Heart Failure in infants and neonates- an approach
... In neonates with TAPVC or single ventricle physiology due to tricuspid atresia, cardiac output and oxygenation is dependent on right to left shunting at atrial level. ...
... In neonates with TAPVC or single ventricle physiology due to tricuspid atresia, cardiac output and oxygenation is dependent on right to left shunting at atrial level. ...
AORTIC VALVE: Aortic valve case studeis
... the orifice boundaries due to calcifications or, in the setting of prosthetic valves, reflections from the valve housing. Also, given that the area may be larger or small in different planes, it may be difficult to ensure the planimetry measurement is made in the plane with the smallest orifice. ...
... the orifice boundaries due to calcifications or, in the setting of prosthetic valves, reflections from the valve housing. Also, given that the area may be larger or small in different planes, it may be difficult to ensure the planimetry measurement is made in the plane with the smallest orifice. ...
Physiology of cardiac rate and rhythm
... CLINICAL CLASSIFICATION OF ARRHYTHMIAS Heart rate (increased/decreased) Heart rhythm (regular/irregular) Site of origin (supraventricular / ventricular) Complexes on ECG (narrow/broad) ...
... CLINICAL CLASSIFICATION OF ARRHYTHMIAS Heart rate (increased/decreased) Heart rhythm (regular/irregular) Site of origin (supraventricular / ventricular) Complexes on ECG (narrow/broad) ...
5 Paediatric cardiology
... The condition typically begins in the walls of the ventricles and in more severe cases also affects the walls of atria) The actual muscle cells as well as the surrounding tissues of the heart become damaged. Hallmark is depressed cardiac functioning. Eventually, the weakened heart loses the ability ...
... The condition typically begins in the walls of the ventricles and in more severe cases also affects the walls of atria) The actual muscle cells as well as the surrounding tissues of the heart become damaged. Hallmark is depressed cardiac functioning. Eventually, the weakened heart loses the ability ...
Marfan Syndrome Clinic
... clinic to serve patients and their families with Marfan syndrome and other heritable connective tissue disorders. The Marfan Syndrome Clinic offers an integrated medical, genetic and surgical team of specialized Mayo Clinic physicians to provide diagnosis and state-of-the-art treatment for patients ...
... clinic to serve patients and their families with Marfan syndrome and other heritable connective tissue disorders. The Marfan Syndrome Clinic offers an integrated medical, genetic and surgical team of specialized Mayo Clinic physicians to provide diagnosis and state-of-the-art treatment for patients ...
Cardiovascular VIVA`s
... - Wear and tear -> calcification on normal or cong bicuspid valves Clinical attention in 6-7th decade in bicusid valves, 8-9th decade in prev. normal valves - Note: Wear and tear usually cited as cause for calcific aortic stenosis, but newer data suggests chronic injury due to hypertension, hyperlip ...
... - Wear and tear -> calcification on normal or cong bicuspid valves Clinical attention in 6-7th decade in bicusid valves, 8-9th decade in prev. normal valves - Note: Wear and tear usually cited as cause for calcific aortic stenosis, but newer data suggests chronic injury due to hypertension, hyperlip ...
Cardiovascular System
... Lubb-lubb-dubb (S4) May have S4 in: post-MI hyperthyroidism aortic stenosis (very common in the elderly - valve worn out; pt. faints from blood not getting to brain, has carotid bruits) Most common cause: chronic hypertension (whether treated or not) ...
... Lubb-lubb-dubb (S4) May have S4 in: post-MI hyperthyroidism aortic stenosis (very common in the elderly - valve worn out; pt. faints from blood not getting to brain, has carotid bruits) Most common cause: chronic hypertension (whether treated or not) ...
Transcatheter Aortic Valve Replacement
... performed through smaller incisions, both require the use of a heart lung machine which temporarily takes over the function of the heart. During the procedure, the surgeon will completely remove the diseased aortic valve and insert a new valve. There are two different types of surgical valves: ...
... performed through smaller incisions, both require the use of a heart lung machine which temporarily takes over the function of the heart. During the procedure, the surgeon will completely remove the diseased aortic valve and insert a new valve. There are two different types of surgical valves: ...
Heart failure: when form fails to follow function
... Cardiac performance is normally determined by architectural, cellular, and molecular structures that determine the heart’s form, and by physiological and biochemical mechanisms that regulate the function of these structures. Impaired adaptation of form to function in failing hearts contributes to tw ...
... Cardiac performance is normally determined by architectural, cellular, and molecular structures that determine the heart’s form, and by physiological and biochemical mechanisms that regulate the function of these structures. Impaired adaptation of form to function in failing hearts contributes to tw ...
GIANT Flutter Waves in ECG Lead V1: a Marker of Pulmonary
... and upright F waves in V1. This morphology offers no direct clues as to the underlying cardiac disorder, if any. Occasionally we have encountered giant F waves, most prominently in lead V1, reaching 5 mv or more in height – sometimes exceeding the QRS voltage. The significance of this pattern has no ...
... and upright F waves in V1. This morphology offers no direct clues as to the underlying cardiac disorder, if any. Occasionally we have encountered giant F waves, most prominently in lead V1, reaching 5 mv or more in height – sometimes exceeding the QRS voltage. The significance of this pattern has no ...
- ScienceCentral
... procedures, but simultaneous analysis of multiple segments cannot be performed. Nevertheless, pulsed TDI has been used in humans to evaluate systolic and diastolic left ventricle (LV) function in healthy subjects and patients with various cardiac diseases such as dilated cardiomyopathy (DCM), hypert ...
... procedures, but simultaneous analysis of multiple segments cannot be performed. Nevertheless, pulsed TDI has been used in humans to evaluate systolic and diastolic left ventricle (LV) function in healthy subjects and patients with various cardiac diseases such as dilated cardiomyopathy (DCM), hypert ...
ATRIAL FIBRILLATION
... numbers of cells may be depolarized. An effective refractory period exists. In this phase, individual cells may be depolarized, but they are unable to propagate an action potential. ...
... numbers of cells may be depolarized. An effective refractory period exists. In this phase, individual cells may be depolarized, but they are unable to propagate an action potential. ...
Single Ventricle Defects and the Fontan
... to the body, some mixing of blood still occurs. The final stage, known as the Fontan, is usually done when the child is between 1½ to 3 years old. The Glenn and Fontan ultimately separate the red and blue blood so that the child is no longer cyanotic. When and where was the Fontan first done? The Fo ...
... to the body, some mixing of blood still occurs. The final stage, known as the Fontan, is usually done when the child is between 1½ to 3 years old. The Glenn and Fontan ultimately separate the red and blue blood so that the child is no longer cyanotic. When and where was the Fontan first done? The Fo ...
GIANT Flutter Waves in ECG Lead V1: a Marker of Pulmonary
... and upright F waves in V1. This morphology offers no direct clues as to the underlying cardiac disorder, if any. Occasionally we have encountered giant F waves, most prominently in lead V1, reaching 5 mv or more in height – sometimes exceeding the QRS voltage. The significance of this pattern has no ...
... and upright F waves in V1. This morphology offers no direct clues as to the underlying cardiac disorder, if any. Occasionally we have encountered giant F waves, most prominently in lead V1, reaching 5 mv or more in height – sometimes exceeding the QRS voltage. The significance of this pattern has no ...
Left Ventricular Function Described in Physical Terms
... not a measure of the total rate of energy liberation because the viscous losses within the myocardium, which are probably not negligible, are not measured. Instead, the power record is interpreted as a measure of the rate at which energy is transferred from the left heart to the peripheral vasculatu ...
... not a measure of the total rate of energy liberation because the viscous losses within the myocardium, which are probably not negligible, are not measured. Instead, the power record is interpreted as a measure of the rate at which energy is transferred from the left heart to the peripheral vasculatu ...
Pericardium 2 - Brown University
... 2. Trauma causing bleeding in pericardial space. 3. Noninfectious conditions such as: a. increase in pulmonary hydrostatic pressure e.g. congestive heart failure. b. increase in capillary permeability e.g. hypothyroidism c. decrease in plasma oncotic pressure e.g. cirrhosis. 4. Decreased drainage of ...
... 2. Trauma causing bleeding in pericardial space. 3. Noninfectious conditions such as: a. increase in pulmonary hydrostatic pressure e.g. congestive heart failure. b. increase in capillary permeability e.g. hypothyroidism c. decrease in plasma oncotic pressure e.g. cirrhosis. 4. Decreased drainage of ...
ECG Dysrhythmias
... VT usually preceeds VF Causes of VT include myocardial ischemia, heart failure, drug toxicity from procainamide, quinidine, or cocaine ...
... VT usually preceeds VF Causes of VT include myocardial ischemia, heart failure, drug toxicity from procainamide, quinidine, or cocaine ...
Left Ventricle: Ischemia and Function Small Group Discussion
... Key Points: Echocardiography can be utilized to qualitatively and semiqualitatively assess preload as the volume at the end of diastole. Left ventricular end diastolic area (EDA) may serve as a surrogate for preload. Graded hypovolemia, in both pediatric and adult patients demonstrate changes in LVE ...
... Key Points: Echocardiography can be utilized to qualitatively and semiqualitatively assess preload as the volume at the end of diastole. Left ventricular end diastolic area (EDA) may serve as a surrogate for preload. Graded hypovolemia, in both pediatric and adult patients demonstrate changes in LVE ...
Cardiac Problems in Children
... – vibratory/musical in quality • ‘pulmonary flow’, ‘venous hum’, ‘peripheral pulmonary stenosis’ • Change in intensity with posture • Always systolic (except venous hum – continuous) ...
... – vibratory/musical in quality • ‘pulmonary flow’, ‘venous hum’, ‘peripheral pulmonary stenosis’ • Change in intensity with posture • Always systolic (except venous hum – continuous) ...
Mitral insufficiency
Mitral insufficiency (MI), mitral regurgitation or mitral incompetence is a disorder of the heart in which the mitral valve does not close properly when the heart pumps out blood. It is the abnormal leaking of blood backwards from the left ventricle, through the mitral valve, into the left atrium, when the left ventricle contracts, i.e. there is regurgitation of blood back into the left atrium. MI is the most common form of valvular heart disease.