Chapter 17 The Cardiovascular system: The Heart
... opening K+ channels. Under resting conditions, both sympathetic and parasympathetic send signals, but the dominant signal is inhibitory. Vagal tone (through the vagus nerve) slows the heart rate to less than what it would be without it. If vagal tone is too great, the heart will experience vagal esc ...
... opening K+ channels. Under resting conditions, both sympathetic and parasympathetic send signals, but the dominant signal is inhibitory. Vagal tone (through the vagus nerve) slows the heart rate to less than what it would be without it. If vagal tone is too great, the heart will experience vagal esc ...
A6 Chronic AA
... • All cause stroke rate with AF is 5% per year • AF – is an independent risk factor for stroke • ~5 fold increase in stroke risk • ~15% of all strokes caused by AF • Stroke risk increases with age • Stroke risk persists whether systematic or asymptomatic AF • A. Flutter stroke risk is not well chara ...
... • All cause stroke rate with AF is 5% per year • AF – is an independent risk factor for stroke • ~5 fold increase in stroke risk • ~15% of all strokes caused by AF • Stroke risk increases with age • Stroke risk persists whether systematic or asymptomatic AF • A. Flutter stroke risk is not well chara ...
Chapter 11: The Cardiovascular System
... the heart which carries the wave of depolarization over the ventricles causing them to contract from the heart apex toward the atria? a- atrioventricular bundle b- Purkinje fibers c- bundle branches d- atrioventricular node e- sinoatrial node ...
... the heart which carries the wave of depolarization over the ventricles causing them to contract from the heart apex toward the atria? a- atrioventricular bundle b- Purkinje fibers c- bundle branches d- atrioventricular node e- sinoatrial node ...
Physiology Chapter 23 [4-20
... only increases the stroke volume enough to get back to normal o The blood volume increases Triggered by slight decreases in arterial pressure, and peripheral reflexes the pressure normally would induce The kidneys then hold onto more salt and water, increasing the blood volume to increase the pr ...
... only increases the stroke volume enough to get back to normal o The blood volume increases Triggered by slight decreases in arterial pressure, and peripheral reflexes the pressure normally would induce The kidneys then hold onto more salt and water, increasing the blood volume to increase the pr ...
Approach to Cardiac Disease in Pregnancy
... Principal of monitoring and treatment Individualizing treatment to each patient ...
... Principal of monitoring and treatment Individualizing treatment to each patient ...
Preoperative Risk Assessment and Risk Reduction Before Surgery
... If recent MI < 6 weeks, unstable angina, decompensated CHF, significant arrhythmias, severe valvular disease: cardiology consultation. Previous MI> 6 weeks, mild stable angina, compensated CHF, DM: stress test, +/echocardiogram. Rhythm other than NSR, h/o abnormal EKG, h/o CVA, advanced age, or low ...
... If recent MI < 6 weeks, unstable angina, decompensated CHF, significant arrhythmias, severe valvular disease: cardiology consultation. Previous MI> 6 weeks, mild stable angina, compensated CHF, DM: stress test, +/echocardiogram. Rhythm other than NSR, h/o abnormal EKG, h/o CVA, advanced age, or low ...
Heaves and Thrusts: how should I describe the apex beat? www
... the apex is or isn't displaced and is or isn't forceful. Pressure overload Pressure overload (eg hypertension or aortic stenosis) will typically cause an apex to be forceful but not displaced. This is because the thickening of the ventricular wall occurs "inwards" encroaching on the ventricular cavi ...
... the apex is or isn't displaced and is or isn't forceful. Pressure overload Pressure overload (eg hypertension or aortic stenosis) will typically cause an apex to be forceful but not displaced. This is because the thickening of the ventricular wall occurs "inwards" encroaching on the ventricular cavi ...
function in uraemia: echocardiographic evidence ofa specific
... end systolic diameters, interventricular septum and posterior wall thicknesses, and systolic left atrium diameter. Aortic root diameter was measured with a parasternal long axis approach. Cardiac mass was measured by using the Deveraux equation.'8 Ejection fraction was measured with the modified Sim ...
... end systolic diameters, interventricular septum and posterior wall thicknesses, and systolic left atrium diameter. Aortic root diameter was measured with a parasternal long axis approach. Cardiac mass was measured by using the Deveraux equation.'8 Ejection fraction was measured with the modified Sim ...
Growth differentiation factor-15 predicts mortality and
... The study group consisted of patients with heart failure undergoing CRT in a single centre, from June 2002 to February 2007. The last follow-up visit was in February 2008. Over this period, 299 patients underwent implantation. For logistical reasons, however, only patients (n ¼ 165) who underwent a ...
... The study group consisted of patients with heart failure undergoing CRT in a single centre, from June 2002 to February 2007. The last follow-up visit was in February 2008. Over this period, 299 patients underwent implantation. For logistical reasons, however, only patients (n ¼ 165) who underwent a ...
CHD FREQUENTLY ASKED QUESTIONS
... Most common cause of CHF in infants is VSD Presents around 6-8 weeks of age. Left to right shunt increases as the PVR falls Murmur of VSD is apparent by one week Full blown picture of CHF occurs around 6-8 weeks. Other left to right shunts like PDA present similarly Fall in PVR is delayed in presenc ...
... Most common cause of CHF in infants is VSD Presents around 6-8 weeks of age. Left to right shunt increases as the PVR falls Murmur of VSD is apparent by one week Full blown picture of CHF occurs around 6-8 weeks. Other left to right shunts like PDA present similarly Fall in PVR is delayed in presenc ...
Impact of initial intervention on long term neurological recovey after
... Results: Over a 3-year period, 90 patients were included in our study. Sixty-four percent of the patients had bystander cardio-pulmonary resuscitation. An automated external defibrillator (AED) was used in 19% of the patients and the mean time to first defibrillation was 11±8.9 minutes. Patients bei ...
... Results: Over a 3-year period, 90 patients were included in our study. Sixty-four percent of the patients had bystander cardio-pulmonary resuscitation. An automated external defibrillator (AED) was used in 19% of the patients and the mean time to first defibrillation was 11±8.9 minutes. Patients bei ...
Comparison of the rhythm control treatment strategy versus the rate
... growing that the benefit of resynchronization in the subgroup of patients with AF is reduced. The initial meta-analyses of the studies comparing the efficacy of CRT in patients with AF vs SR suggested similar effect of response to CRT in the AF group in terms of NYHA functional class or ejection fra ...
... growing that the benefit of resynchronization in the subgroup of patients with AF is reduced. The initial meta-analyses of the studies comparing the efficacy of CRT in patients with AF vs SR suggested similar effect of response to CRT in the AF group in terms of NYHA functional class or ejection fra ...
The Cardiovascular System Work Sheets File - NW 14-19
... The heart works tirelessly to pump blood around the body. There are five types of blood vessels which are arteries, arterioles, veins, venules and capillaries. • Arteries – the largest blood vessel in the body which carries oxygenated blood out of the heart and around the body. They are elastic in o ...
... The heart works tirelessly to pump blood around the body. There are five types of blood vessels which are arteries, arterioles, veins, venules and capillaries. • Arteries – the largest blood vessel in the body which carries oxygenated blood out of the heart and around the body. They are elastic in o ...
Surgical Revascularization of the Left Anterior Descending Artery
... leads). A new angiography showed a 60% anastomotic stenosis, with adequate diameter of the left IMA graft and sufficient flow of the LAD (proximally and distally of the anastomosis). The angiographic stenosis was attributed to oedema or spasm, thus it was decided to administer calcium channel blocke ...
... leads). A new angiography showed a 60% anastomotic stenosis, with adequate diameter of the left IMA graft and sufficient flow of the LAD (proximally and distally of the anastomosis). The angiographic stenosis was attributed to oedema or spasm, thus it was decided to administer calcium channel blocke ...
Constrictive Pericarditis - Mike Poullis
... channel blockers should be avoided as mild sinus tachycardia is a compensatory mechanism. • The majority of patients become progressively more disabled and subsequently suffer the complications of severe cardiac cachexia. ...
... channel blockers should be avoided as mild sinus tachycardia is a compensatory mechanism. • The majority of patients become progressively more disabled and subsequently suffer the complications of severe cardiac cachexia. ...
Bio 122: Anatomy and Physiology II
... Lymph nodes = aggregates of lymphatic tissue in the body ♦ Cluster along the lymphatic vessels of the body ♦ Lymph is filtered through the lymph nodes before it is returned to the blood stream ♦ Large clusters of lymph nodes appear near the body surface in the inguinal, axillary, and cervical regio ...
... Lymph nodes = aggregates of lymphatic tissue in the body ♦ Cluster along the lymphatic vessels of the body ♦ Lymph is filtered through the lymph nodes before it is returned to the blood stream ♦ Large clusters of lymph nodes appear near the body surface in the inguinal, axillary, and cervical regio ...
Diagnostic Cardiovascular Imaging: CT/MRI The Section of
... disease, aortic pathology and assessment of complex congenital heart disease. MR angiography of the aorta, pulmonary artery, aortic branch vessels and pulmonary vein anatomy assessment are also performed. Our current volumes are about 50 studies per month and we expect that to increase as these imag ...
... disease, aortic pathology and assessment of complex congenital heart disease. MR angiography of the aorta, pulmonary artery, aortic branch vessels and pulmonary vein anatomy assessment are also performed. Our current volumes are about 50 studies per month and we expect that to increase as these imag ...
General Cardiac Pathophysiology II
... 3. Systolic and diastolic dysfunction 8% of population: asymptomatic left ventricle dysfunction and manifest failure (1:1) cardiac failure from inherent cause 3.1 Systolic dysfunction Systolic dysfunction contractility Etiology see Fig. 1 Overload hypertrophy contractility (mechanisms know ...
... 3. Systolic and diastolic dysfunction 8% of population: asymptomatic left ventricle dysfunction and manifest failure (1:1) cardiac failure from inherent cause 3.1 Systolic dysfunction Systolic dysfunction contractility Etiology see Fig. 1 Overload hypertrophy contractility (mechanisms know ...
Chapter 18: The Cardiovascular System: The Heart
... entire circulation in a given period: 1. Is measured in ml per min. 2. Is equivalent to cardiac output (CO), considering the entire vascular system 3. Is relatively constant when at rest 4. Varies widely through individual organs ...
... entire circulation in a given period: 1. Is measured in ml per min. 2. Is equivalent to cardiac output (CO), considering the entire vascular system 3. Is relatively constant when at rest 4. Varies widely through individual organs ...
Guidance on format of the RMP in the EU in integrated format
... QT prolongation and Torsade de Pointes have been observed in patients with risk factors in association with solifenacin therapy. Known risk factors for QT-prolongation are e.g. too low potassium levels in blood, slow heart beat and concurrent administration of medicinal products known to prolong QTi ...
... QT prolongation and Torsade de Pointes have been observed in patients with risk factors in association with solifenacin therapy. Known risk factors for QT-prolongation are e.g. too low potassium levels in blood, slow heart beat and concurrent administration of medicinal products known to prolong QTi ...
A5 Ventricular Arrhythmia
... • The wave before the PVC is a T-wave from the preceding QRS • May indicate an underlying structural heart disease (SHD), myocardial ischemia, hypoxia, or electrolyte abnormalities (low or high potassium / magnesium). • Common to see PVCs in patients with reduced EF or patients with a normal ejectio ...
... • The wave before the PVC is a T-wave from the preceding QRS • May indicate an underlying structural heart disease (SHD), myocardial ischemia, hypoxia, or electrolyte abnormalities (low or high potassium / magnesium). • Common to see PVCs in patients with reduced EF or patients with a normal ejectio ...
Upgrading to biventricular pacing/defibrillation systems
... CRT de-novo implantations and upgrades were performed according to current standard procedures. Coronary sinus guiding sheaths and left ventricular pacing leads of different manufacturers were used. Left ventricular leads were implanted transvenously after obtaining an occlusive coronary sinus venog ...
... CRT de-novo implantations and upgrades were performed according to current standard procedures. Coronary sinus guiding sheaths and left ventricular pacing leads of different manufacturers were used. Left ventricular leads were implanted transvenously after obtaining an occlusive coronary sinus venog ...
Exam of CVS - 3
... • Keep manometer at the level of heart. • Subject should be comfortable. • If subject coming after walking, should take rest for 5 – 10mins, then take BP to avoid effect of sympathetic stimulation. ...
... • Keep manometer at the level of heart. • Subject should be comfortable. • If subject coming after walking, should take rest for 5 – 10mins, then take BP to avoid effect of sympathetic stimulation. ...
Thrombolysis
... treatment in 10–30% of patients, and 0.5–4% is diagnosed with chronic thromboembolic pulmonary hypertension (CTEPH) which represents the most severe long term complication of acute PE. From these numbers, it seems that CTEPH itself is the extreme manifestation of a much more common phenomenon of per ...
... treatment in 10–30% of patients, and 0.5–4% is diagnosed with chronic thromboembolic pulmonary hypertension (CTEPH) which represents the most severe long term complication of acute PE. From these numbers, it seems that CTEPH itself is the extreme manifestation of a much more common phenomenon of per ...