Severe Tricuspid Valve Regurgitation Is Not an Innocent Finding to
... functional isolated TR” or they are just studying patients with “isolated TR” is unimportant. The study ...
... functional isolated TR” or they are just studying patients with “isolated TR” is unimportant. The study ...
Survival responses and cardiac control
... wave of depolarisation/impulses/electrical activity (across atria); initiates contraction of atria atrioventricular node/AVN; bundle of His/purkyne tissue spreads impulse across ventricles; ventricles contract after atria/time delay enables ventricles to fill; ...
... wave of depolarisation/impulses/electrical activity (across atria); initiates contraction of atria atrioventricular node/AVN; bundle of His/purkyne tissue spreads impulse across ventricles; ventricles contract after atria/time delay enables ventricles to fill; ...
Arterial blood pressure
... when an animal is at rest to maintain consistent delivery of oxygen to key organs. • During activity, cardiac output is reset higher to boost blood flow to skeletal muscles and skin. ...
... when an animal is at rest to maintain consistent delivery of oxygen to key organs. • During activity, cardiac output is reset higher to boost blood flow to skeletal muscles and skin. ...
Short QT syndrome
... rate. Patients with SQTS show constant QT values and a lack of adaptation to heart rate with failure to prolong adequately at slower heart rates and abnormal shortening during acceleration (pseudonormalization of the QT interval at rapid rates). Serial ECGs, Holter monitoring and treadmill testing m ...
... rate. Patients with SQTS show constant QT values and a lack of adaptation to heart rate with failure to prolong adequately at slower heart rates and abnormal shortening during acceleration (pseudonormalization of the QT interval at rapid rates). Serial ECGs, Holter monitoring and treadmill testing m ...
discussion worksheets
... 1. How do the waves of depolarization, generated by the autorhythmic cells spread to the muscle cells? _____________________ 2. Depolarizing current from the autorhythmic cells causes the ventricular muscle cells to ______________. 3. Name the three channels essential for generating an action potent ...
... 1. How do the waves of depolarization, generated by the autorhythmic cells spread to the muscle cells? _____________________ 2. Depolarizing current from the autorhythmic cells causes the ventricular muscle cells to ______________. 3. Name the three channels essential for generating an action potent ...
Value of Monitoring a Second Precordial Lead for
... The nurse realizes that the ECG documentation of this ischemic episode was a lucky accident. It would have been missed with routine cardiac monitoring of leads V1 or II. The dilemma the nurse faces now is how best to monitor Mr. M. for both arrhythmias and ischemia over the next 24 hours prior to su ...
... The nurse realizes that the ECG documentation of this ischemic episode was a lucky accident. It would have been missed with routine cardiac monitoring of leads V1 or II. The dilemma the nurse faces now is how best to monitor Mr. M. for both arrhythmias and ischemia over the next 24 hours prior to su ...
Figure 15-1
... pattern (one branch becoming many) Veins and venules have a convergent branching pattern (many branches becoming one) ...
... pattern (one branch becoming many) Veins and venules have a convergent branching pattern (many branches becoming one) ...
Cardiovascular Agents Primary Factors Responsible for Blood
... • Mechanism of action - blocks beta1, beta2, and alpha1 receptors, which decreases heart rate and blood pressure, decreases afterload, and reduces the workload on the heart • Primary use - slow progression of heart failure and increased exercise tolerance when combined with other heart failure drugs ...
... • Mechanism of action - blocks beta1, beta2, and alpha1 receptors, which decreases heart rate and blood pressure, decreases afterload, and reduces the workload on the heart • Primary use - slow progression of heart failure and increased exercise tolerance when combined with other heart failure drugs ...
Angina Pectoris - 2007 A. coronary blood flow cardiac work or O2
... Angina pectoris is a chronic disease affecting 3 million in the USA (approx. 1% of population) characterized by intermittent attacks of chest pain which radiates to the left arm, shoulder, and jaw. Attacks of typical (effort, stable) angina are associated with exertion, excitement and other factors ...
... Angina pectoris is a chronic disease affecting 3 million in the USA (approx. 1% of population) characterized by intermittent attacks of chest pain which radiates to the left arm, shoulder, and jaw. Attacks of typical (effort, stable) angina are associated with exertion, excitement and other factors ...
Med Term Ch10 PPT
... around the heart. This pain is due to lack of blood/oxygen supply to the heart muscle. With rest and reduced activity, the pain will go away within 5-15 minutes. ...
... around the heart. This pain is due to lack of blood/oxygen supply to the heart muscle. With rest and reduced activity, the pain will go away within 5-15 minutes. ...
2 Johnson MK, Smith RP, Morrison D, et al. Large lung... central role in the pathogenesis of digital clubbing. J Pathol
... velocities was measured. Systolic pulmonary artery pressure (PAP) was estimated as a sum of the pressure difference across the tricuspid valve calculated using the modified Bernoulli equation and an estimate of mean right atrial pressure. Myocardial systolic, early (E9) and late diastolic velocities ...
... velocities was measured. Systolic pulmonary artery pressure (PAP) was estimated as a sum of the pressure difference across the tricuspid valve calculated using the modified Bernoulli equation and an estimate of mean right atrial pressure. Myocardial systolic, early (E9) and late diastolic velocities ...
Management of chronic heart failure
... 2. Serum electrolytes and creatinine : before starting high dose diuretics 3. Fasting Blood glucose :to evaluate for possible diabetes mellitus 4. Thyroid function tests : Since thyrotoxicosis can result in A. Fib, and hypothyroidism can results in HF. 5. Iron studies :to screen for hereditary hemoc ...
... 2. Serum electrolytes and creatinine : before starting high dose diuretics 3. Fasting Blood glucose :to evaluate for possible diabetes mellitus 4. Thyroid function tests : Since thyrotoxicosis can result in A. Fib, and hypothyroidism can results in HF. 5. Iron studies :to screen for hereditary hemoc ...
Cardiovascular Disease, Blood Pressure and Exercise
... individual who is unmedicated with hypertension. Their normal systolic blood pressure level is already at an elevated level so the level it reaches during exercise will be higher than an individual who does not have hypertension. In addition to this, their diastolic blood pressure may not change or ...
... individual who is unmedicated with hypertension. Their normal systolic blood pressure level is already at an elevated level so the level it reaches during exercise will be higher than an individual who does not have hypertension. In addition to this, their diastolic blood pressure may not change or ...
Chapter 10 and 11 PowerPoint
... Even though the interior of the heart is constantly bathed in blood, it receives no nutrients in this fashion. Nutrients are fed to the heart through the coronary arteries. These branch off of the aorta and wrap around the heart, feeding it oxygen and nutrients. ...
... Even though the interior of the heart is constantly bathed in blood, it receives no nutrients in this fashion. Nutrients are fed to the heart through the coronary arteries. These branch off of the aorta and wrap around the heart, feeding it oxygen and nutrients. ...
Heart failure PHL461
... Coronary AD: less blood flow to heart, increased damage. Myocardial Infarct: damaged tissue. Hypertension: “overworked” heart. Diabetes. Lung Diseases. Cardiomyopathies: heart muscle disease ...
... Coronary AD: less blood flow to heart, increased damage. Myocardial Infarct: damaged tissue. Hypertension: “overworked” heart. Diabetes. Lung Diseases. Cardiomyopathies: heart muscle disease ...
2.1 Introduction
... affected when heart rate exceeds 120 beats/min. But during exercise there is compensation for any increase in sympathetic stimulation with increase in strength of cardiac contraction (Guyton and Hall 1996). 2.1.5.1 Autoregulation of the heart rate (intrinsic control) Cardiac muscle has myogenic rhyt ...
... affected when heart rate exceeds 120 beats/min. But during exercise there is compensation for any increase in sympathetic stimulation with increase in strength of cardiac contraction (Guyton and Hall 1996). 2.1.5.1 Autoregulation of the heart rate (intrinsic control) Cardiac muscle has myogenic rhyt ...
Swann Ganz Catheterisation and Cardiac Outputs
... When the catheter tip reaches the right atrium (approximately 20 cm), the balloon is inflated using 1.5ml of air As the catheter is advanced, the balloon floats the catheter through the right ventricle and the pulmonary artery into the pulmonary capillary wedge position Deflation of the balloon at t ...
... When the catheter tip reaches the right atrium (approximately 20 cm), the balloon is inflated using 1.5ml of air As the catheter is advanced, the balloon floats the catheter through the right ventricle and the pulmonary artery into the pulmonary capillary wedge position Deflation of the balloon at t ...
06. Heart failure
... The HeartMate II -one of several new LVAD devices- designed to last longer with simplicity of only one moving part; also much lighter and quieter than its predecessors; major differences is rotary action which creates a constant flow of blood, not “pumping action”. ...
... The HeartMate II -one of several new LVAD devices- designed to last longer with simplicity of only one moving part; also much lighter and quieter than its predecessors; major differences is rotary action which creates a constant flow of blood, not “pumping action”. ...
HARVEY SIMULATOR QUESTIONS
... A 25 year-old man presents to your office for a physical examination; he would like to know if it’s safe for him to begin a strenuous exercise program. He is not aware of any medical problems as a child, and he feels well currently. He has no chest pain or dyspnea with his current level of activity ...
... A 25 year-old man presents to your office for a physical examination; he would like to know if it’s safe for him to begin a strenuous exercise program. He is not aware of any medical problems as a child, and he feels well currently. He has no chest pain or dyspnea with his current level of activity ...
The Cardiovascular System
... The upper chambers – atria (atrium) blood flows here 1st. Pumps to ventricles The lower chambers – ventricles, pump blood out to body or lungs. The right side of your heart receives blood (deoxy) from the body and pumps it to the lungs. The left side of the heart receives blood (oxy) from the ...
... The upper chambers – atria (atrium) blood flows here 1st. Pumps to ventricles The lower chambers – ventricles, pump blood out to body or lungs. The right side of your heart receives blood (deoxy) from the body and pumps it to the lungs. The left side of the heart receives blood (oxy) from the ...
Chapter 13 I. Functions and Components of the Circulatory System
... – Bradycardia: slow heart rate, below 60 bpm – Tachycardia: fast heart rate, above 100 bpm • These heart rhythms are normal if the person is active, but not normal at rest. • Abnormal tachycardia can occur due to drugs or fast ectopic pacemakers. ...
... – Bradycardia: slow heart rate, below 60 bpm – Tachycardia: fast heart rate, above 100 bpm • These heart rhythms are normal if the person is active, but not normal at rest. • Abnormal tachycardia can occur due to drugs or fast ectopic pacemakers. ...