A Cineradiographic Study of the Snake Heart
... K.JELL J'OHANSEN, CAN1). REAL., AND TVAGNAR H O L , M . D . ...
... K.JELL J'OHANSEN, CAN1). REAL., AND TVAGNAR H O L , M . D . ...
Heart and circulatory failure
... deadaptation – not only the contractile elements. A syndrome which develops after different diseases/conditions producing cardiac/circulatory injury. Failure = the system is not able to meet proper performance For clinicians: Earlier identification, intervention, better therapy Dropsy = hydrops, sta ...
... deadaptation – not only the contractile elements. A syndrome which develops after different diseases/conditions producing cardiac/circulatory injury. Failure = the system is not able to meet proper performance For clinicians: Earlier identification, intervention, better therapy Dropsy = hydrops, sta ...
- International Journal of Obstetric Anesthesia
... TPR, and an increase in CO produced by an increase in HR and SV,18 while doses larger than 45 mU/min may produce an antidiuretic effect.19 These effects are poorly tolerated in patients with left ventricular dysfunction and can be minimized by administration of oxytocin in low doses and at a slower ...
... TPR, and an increase in CO produced by an increase in HR and SV,18 while doses larger than 45 mU/min may produce an antidiuretic effect.19 These effects are poorly tolerated in patients with left ventricular dysfunction and can be minimized by administration of oxytocin in low doses and at a slower ...
Mitral valve regurgitation is a powerful factor of left ventricular
... Greater LV mass in more advanced stages of MR is the evidence that this condition has an influence not only on the left atrium and pulmo‑ nary circulation, but also on the left ventricle with its consequences like a decrease in EF. In the cur‑ rent study, lower EF was observed in the 2nd and more se ...
... Greater LV mass in more advanced stages of MR is the evidence that this condition has an influence not only on the left atrium and pulmo‑ nary circulation, but also on the left ventricle with its consequences like a decrease in EF. In the cur‑ rent study, lower EF was observed in the 2nd and more se ...
Pdf version - Polish Archives of Internal Medicine
... Conclusions The study demonstrated a significant relationship between left ventricular contractile reserve on DSE and long‑term all‑cause mortality following CRT device implantation. The presence of septal flash and interventricular dyssynchrony but not myocardial viability was predictive of the ...
... Conclusions The study demonstrated a significant relationship between left ventricular contractile reserve on DSE and long‑term all‑cause mortality following CRT device implantation. The presence of septal flash and interventricular dyssynchrony but not myocardial viability was predictive of the ...
Lecture 10. The mostly spread congenital heart diseases in children
... passes through the lungs and reenters the LV via the pulmonary veins and LA. • Such circuitous route of blood causes volume overload on the LV. • The LV normally has a much higher systolic pressure (~100 mm Hg) than the RV (~85 mm Hg) and through VSD blood leaks into the RV and elevates RV pressure ...
... passes through the lungs and reenters the LV via the pulmonary veins and LA. • Such circuitous route of blood causes volume overload on the LV. • The LV normally has a much higher systolic pressure (~100 mm Hg) than the RV (~85 mm Hg) and through VSD blood leaks into the RV and elevates RV pressure ...
22. congenital cardiopathies
... • Dose schedules vary, but commonly a first dose of 0.2 mg/kg is given by nasogastric tube or intravenously. • For intravenous indomethacin, subsequent doses depend on the age at initial treatment if <48 hours, the subsequent two doses are 0.10 mg/kg; if 2 to 7 days, 0.20 mg/kg; and if >7 days, 0.25 ...
... • Dose schedules vary, but commonly a first dose of 0.2 mg/kg is given by nasogastric tube or intravenously. • For intravenous indomethacin, subsequent doses depend on the age at initial treatment if <48 hours, the subsequent two doses are 0.10 mg/kg; if 2 to 7 days, 0.20 mg/kg; and if >7 days, 0.25 ...
Chapter 20 - Coastal Bend College
... • Blood pushing out of the ventricle causes enough pressure to push the semilunar valves open while at the same time causing the atrioventricular valves to seal with the help of the chordae tendineae and the papillary muscle. As the ventricle relaxes the semilunar valves get sucked back effectively ...
... • Blood pushing out of the ventricle causes enough pressure to push the semilunar valves open while at the same time causing the atrioventricular valves to seal with the help of the chordae tendineae and the papillary muscle. As the ventricle relaxes the semilunar valves get sucked back effectively ...
Relationship of Left Ventricular Structure to
... HRmax and RWT is that catecholamines, A R which have growth-promoting effects on myocardial T also mediate the heart rate response to exercise. cells, D R As the subjects in this study had only minimal r * -0.67, p <0.001 A amounts of LV hypertrophy and normal to miniT D0 E E ...
... HRmax and RWT is that catecholamines, A R which have growth-promoting effects on myocardial T also mediate the heart rate response to exercise. cells, D R As the subjects in this study had only minimal r * -0.67, p <0.001 A amounts of LV hypertrophy and normal to miniT D0 E E ...
Circulation and Gas Exchange
... fluid, called hemolymph, is pumped throughout the body cavity. This type of cavity, called a hemocoel, is well developed in arthropods and mollusks where the coelom is small. An open circulatory system is not as efficient as a closed one, but for many ectotherms, it is perfectly adequate. Procedure ...
... fluid, called hemolymph, is pumped throughout the body cavity. This type of cavity, called a hemocoel, is well developed in arthropods and mollusks where the coelom is small. An open circulatory system is not as efficient as a closed one, but for many ectotherms, it is perfectly adequate. Procedure ...
Development of the heart 1
... The septum secundum overlaps the foramen secundum in the septum primum, forming an incomplete partition, the foramen ovale. Most of the atrial septum is formed by the septum primum.The interventricular septum grows from the bottom of the ventricle and fuses with the downgrowing part of the endocard ...
... The septum secundum overlaps the foramen secundum in the septum primum, forming an incomplete partition, the foramen ovale. Most of the atrial septum is formed by the septum primum.The interventricular septum grows from the bottom of the ventricle and fuses with the downgrowing part of the endocard ...
Power Point - Delmar
... • Valves make a sound when they close • Called lubb dupp sounds • Lubb – Tricuspid and bicuspid valves (S1) ...
... • Valves make a sound when they close • Called lubb dupp sounds • Lubb – Tricuspid and bicuspid valves (S1) ...
Cardio Study Guide
... Incidence = Number of new cases of disease developing in population during a specified time interval Risk factor = An attribute that’s associated with disease Risk marker = Attribute that’s associated with disease occurrence, but is merely reflecting or marking another RF that has a causal relation ...
... Incidence = Number of new cases of disease developing in population during a specified time interval Risk factor = An attribute that’s associated with disease Risk marker = Attribute that’s associated with disease occurrence, but is merely reflecting or marking another RF that has a causal relation ...
IOSR Journal of Dental and Medical Sciences (IOSR-JDMS)
... or electro physiologic abnormalities depending on tumour type and location. The vast majority of tumours originating from the heart are benign. Rhabdomyomas are the most common pediatric cardiac tumours and are associated with tuberous sclerosis in 70-95% of cases. Rhabdomyomas may occur at any age, ...
... or electro physiologic abnormalities depending on tumour type and location. The vast majority of tumours originating from the heart are benign. Rhabdomyomas are the most common pediatric cardiac tumours and are associated with tuberous sclerosis in 70-95% of cases. Rhabdomyomas may occur at any age, ...
Pathophysiology of acute decompensated heart failure.
... Small scale clinical studies have not demonstrated consistent improvement in outcomes or renal function (Francis, 2006) ...
... Small scale clinical studies have not demonstrated consistent improvement in outcomes or renal function (Francis, 2006) ...
Congenital Heart Defects
... LR: Ventricular Septal Defect • Large defect R V pressures • May do well for several weeks due PVR (compensated heart failure) • As PVR , LR shunt (uncompensated heart failure) • Fail to gain weight thin, large stomachs • Develop pulm edema & die ...
... LR: Ventricular Septal Defect • Large defect R V pressures • May do well for several weeks due PVR (compensated heart failure) • As PVR , LR shunt (uncompensated heart failure) • Fail to gain weight thin, large stomachs • Develop pulm edema & die ...
Hypoplastic Left Heart Syndrome What to Expect Down the Road
... While peak exercise parameters are below normal, the ...
... While peak exercise parameters are below normal, the ...
Atrioventricular Septal Defect - University of Maryland Medical Center
... What can I expect after my baby is born? Most babies with an AVSD do well after birth. If the baby does not have any other medical problems, like Down syndrome, the baby may be able to stay with you after delivery. An echocardiogram will be done to confirm the defect. The baby may be discharged wit ...
... What can I expect after my baby is born? Most babies with an AVSD do well after birth. If the baby does not have any other medical problems, like Down syndrome, the baby may be able to stay with you after delivery. An echocardiogram will be done to confirm the defect. The baby may be discharged wit ...
Inotrope Learning Package (Liverpool)
... Adrenaline, noradrenaline and dobutamine These drugs will have varying effects on vascular resistance, myocardial contractility and heart rate depending on the dose used and the receptor that is activated by the drug. Receptors relevant to this group of drugs include: alpha1, beta1andbeta2 ...
... Adrenaline, noradrenaline and dobutamine These drugs will have varying effects on vascular resistance, myocardial contractility and heart rate depending on the dose used and the receptor that is activated by the drug. Receptors relevant to this group of drugs include: alpha1, beta1andbeta2 ...
Stress Testing in Patients with CAD History
... the highest risk who will benefit from the most intense therapy while reassuring and sparing invasive procedures in those at lower risk” • A low risk patient may only require clinical evaluation and stress test or echo while a high risk patient may need to go directly to cardiac ...
... the highest risk who will benefit from the most intense therapy while reassuring and sparing invasive procedures in those at lower risk” • A low risk patient may only require clinical evaluation and stress test or echo while a high risk patient may need to go directly to cardiac ...
Keeping Mom Heart Healthy: Cardiovascular Disease in Pregnancy
... Women of childchild-bearing age who are on ACEACE-I and ARB drug therapy need to be warned ...
... Women of childchild-bearing age who are on ACEACE-I and ARB drug therapy need to be warned ...
Locally Agreed Guidelines May Reduce Inappropriate Preoperative
... – Maximising the benefit from pre-operative cardiac evaluation – The uninvestigated murmur • NCEPOD guidelines extremely cautious • Implementation would increase demand greatly on echo services • Local guidelines should be jointly developed ...
... – Maximising the benefit from pre-operative cardiac evaluation – The uninvestigated murmur • NCEPOD guidelines extremely cautious • Implementation would increase demand greatly on echo services • Local guidelines should be jointly developed ...
Circulatory system. Basic function: To provide the body (cells) with
... Something needs to coordinate these cells: The SA (= sino-atrial) node which is located in the wall of the right atrium releases the signal to beat. Intercalated disks (at the ends of cardiac cells) allow rapid dissemination of this electrical stimulus, and the atria contract. The signal then reach ...
... Something needs to coordinate these cells: The SA (= sino-atrial) node which is located in the wall of the right atrium releases the signal to beat. Intercalated disks (at the ends of cardiac cells) allow rapid dissemination of this electrical stimulus, and the atria contract. The signal then reach ...
25 vagal influence on heart rate in hibernating ground squirrels
... parasympathetic tone acting on heart rate in euthermic squirrels. In hibernating squirrels, this influence is reduced or absent. This is consistent with previous studies (Biewald and Raths, 1959; Lyman and O’Brien, 1964; Johansen et al. 1964) as well as with observations that infusion of atropine of ...
... parasympathetic tone acting on heart rate in euthermic squirrels. In hibernating squirrels, this influence is reduced or absent. This is consistent with previous studies (Biewald and Raths, 1959; Lyman and O’Brien, 1964; Johansen et al. 1964) as well as with observations that infusion of atropine of ...
Pulmonary Valve - International Children`s Heart Fund
... assistants, and all others interested in a ready source of the practical basics of cardiothoracic surgery, including adult cardiac, pediatric cardiac, and general thoracic surgery. Hopefully the international character and focus of the information will be useful to a worldwide audience. It is offere ...
... assistants, and all others interested in a ready source of the practical basics of cardiothoracic surgery, including adult cardiac, pediatric cardiac, and general thoracic surgery. Hopefully the international character and focus of the information will be useful to a worldwide audience. It is offere ...
Electrocardiography
Electrocardiography (ECG or EKG*) is the process of recording the electrical activity of the heart over a period of time using electrodes placed on a patient's body. These electrodes detect the tiny electrical changes on the skin that arise from the heart muscle depolarizing during each heartbeat.In a conventional 12 lead ECG, ten electrodes are placed on the patient's limbs and on the surface of the chest. The overall magnitude of the heart's electrical potential is then measured from twelve different angles (""leads"") and is recorded over a period of time (usually 10 seconds). In this way, the overall magnitude and direction of the heart's electrical depolarization is captured at each moment throughout the cardiac cycle. The graph of voltage versus time produced by this noninvasive medical procedure is referred to as an electrocardiogram (abbreviated ECG or EKG).During each heartbeat, a healthy heart will have an orderly progression of depolarization that starts with pacemaker cells in the sinoatrial node, spreads out through the atrium, passes through the atrioventricular node down into the bundle of His and into the Purkinje fibers spreading down and to the left throughout the ventricles. This orderly pattern of depolarization gives rise to the characteristic ECG tracing. To the trained clinician, an ECG conveys a large amount of information about the structure of the heart and the function of its electrical conduction system. Among other things, an ECG can be used to measure the rate and rhythm of heartbeats, the size and position of the heart chambers, the presence of any damage to the heart's muscle cells or conduction system, the effects of cardiac drugs, and the function of implanted pacemakers.