The heart, blood vessels, and blood together
... Arteries take blood ______ from the heart. The walls of an artery are made up of thick _________ walls and elastic fibers. Veins carry blood ________ the heart and also have valves. The _________ link arteries and veins, and have a one cell thick wall. Blood is made up of four main things: ______, t ...
... Arteries take blood ______ from the heart. The walls of an artery are made up of thick _________ walls and elastic fibers. Veins carry blood ________ the heart and also have valves. The _________ link arteries and veins, and have a one cell thick wall. Blood is made up of four main things: ______, t ...
The Circulatory System The circulatory system consists of the heart
... These vessels are similar to veins in structure, but with thinner walls and more valves. They begin as blind ended tubes with pressure sensitive valves, only allowing fluid in. The Heart The heart is a roughly cone shaped, hollow muscular organ. It is about 10cms long and is the size of the owner’s ...
... These vessels are similar to veins in structure, but with thinner walls and more valves. They begin as blind ended tubes with pressure sensitive valves, only allowing fluid in. The Heart The heart is a roughly cone shaped, hollow muscular organ. It is about 10cms long and is the size of the owner’s ...
Ocular Ischaemic Syndrome - Eye-laser
... Full medical and neurological assessment Aspirin Treatment of hypertension, diabetes Stop smoking ...
... Full medical and neurological assessment Aspirin Treatment of hypertension, diabetes Stop smoking ...
Chronic valve disease
... left heart (mitral and aortic valves) tends to be more clinically significant due the much higher pressure in the left heart and systemic circulation. This disease is progressive, but the rate of progression is usually slow. The age of onset is typically middle age or later, and the incidence of thi ...
... left heart (mitral and aortic valves) tends to be more clinically significant due the much higher pressure in the left heart and systemic circulation. This disease is progressive, but the rate of progression is usually slow. The age of onset is typically middle age or later, and the incidence of thi ...
How Does Your Heart Work?
... The left atrium receives blood from the lungs. Blood in the left atrium is high in oxygen and low in carbon dioxide. Find the left atrium in Figure A. Both atria fill with blood at the same time. The lower chambers of the heart are the ventricles. The ventricles pump blood out of the heart. Th ...
... The left atrium receives blood from the lungs. Blood in the left atrium is high in oxygen and low in carbon dioxide. Find the left atrium in Figure A. Both atria fill with blood at the same time. The lower chambers of the heart are the ventricles. The ventricles pump blood out of the heart. Th ...
introduction to cardiovascular system 26. 02. 2014
... larger vessels, called veins, by which it is returned to the heart. The passage of the blood through the heart and blood-vessels constitutes what is termed the circulation of the blood. The heart, slightly larger than a clenched fist, is a double, self-adjusting suction and pressure pump, the parts ...
... larger vessels, called veins, by which it is returned to the heart. The passage of the blood through the heart and blood-vessels constitutes what is termed the circulation of the blood. The heart, slightly larger than a clenched fist, is a double, self-adjusting suction and pressure pump, the parts ...
What is Atrial Fibrillation?
... The main risk of atrial fibrillation is stroke and the development or worsening of heart failure. Nearly 25 percent of all strokes caused by a blood clot to the brain are secondary to atrial fibrillation. Each individual may have different risk of developing a stroke. If a person is young, healthy, ...
... The main risk of atrial fibrillation is stroke and the development or worsening of heart failure. Nearly 25 percent of all strokes caused by a blood clot to the brain are secondary to atrial fibrillation. Each individual may have different risk of developing a stroke. If a person is young, healthy, ...
Chapter 11 – Part 2 The Cardiovascular System
... Provides more than one route for blood to reach brain tissue in case of a clot or impaired blood flow anywhere in the system. ...
... Provides more than one route for blood to reach brain tissue in case of a clot or impaired blood flow anywhere in the system. ...
Blood pressure
... What is the pacemaker? Where is it located? List the parts of the intrinsic conduction system of the heart. Draw and label the 3 waves of a typical EKG tracing. What is happening at each wave? What causes the heart sounds (lub-dub)? ...
... What is the pacemaker? Where is it located? List the parts of the intrinsic conduction system of the heart. Draw and label the 3 waves of a typical EKG tracing. What is happening at each wave? What causes the heart sounds (lub-dub)? ...
Ch. 23 Presentation
... – receive nutrients, exchange gases, and removes wastes. – Blood is used to transport these materials using red blood cells filled with hemoglobin and the liquid part of blood tissue called plasma – Blood is in vessels called arteries and veins that are connected by capillaries. Blood moves away fro ...
... – receive nutrients, exchange gases, and removes wastes. – Blood is used to transport these materials using red blood cells filled with hemoglobin and the liquid part of blood tissue called plasma – Blood is in vessels called arteries and veins that are connected by capillaries. Blood moves away fro ...
Functions of the Blood Vessels/Chapter 19
... Diastolic pressure - pressure in the large arteries when the ventricles of the heart are relaxing. (Bottom number) Pulse pressure - difference between the systolic and diastolic pressure. Ex. BP 120/80, 120 -80 =40 ...
... Diastolic pressure - pressure in the large arteries when the ventricles of the heart are relaxing. (Bottom number) Pulse pressure - difference between the systolic and diastolic pressure. Ex. BP 120/80, 120 -80 =40 ...
قصور القلب - تدبير ومعالجة
... and who have LVEF of 35% or less, unless contraindicated, to reduce morbidity and mortality. Patients with NYHA class II should have a history of prior cardiovascular hospitalization or elevated plasma natriuretic peptide levels to be considered for aldosterone receptor antagonists. Creatinine shoul ...
... and who have LVEF of 35% or less, unless contraindicated, to reduce morbidity and mortality. Patients with NYHA class II should have a history of prior cardiovascular hospitalization or elevated plasma natriuretic peptide levels to be considered for aldosterone receptor antagonists. Creatinine shoul ...
Cardiovascular Lecture:
... a. P wave: first waveform - depolarization of the atria b. Q,R,S complex is the next waveform: depolarization of the ventricles c. T wave: repolarization of the ventricles. ...
... a. P wave: first waveform - depolarization of the atria b. Q,R,S complex is the next waveform: depolarization of the ventricles c. T wave: repolarization of the ventricles. ...
Poster
... vessel are exposed, platelets become activated, stick to one another to form a thrombus, and close up the wound. One of the major components of the extracellular matrix is collagen. Glycoprotein VI (GPVI) is a protein that plays a major role in allowing platelets to bind to and become activated by c ...
... vessel are exposed, platelets become activated, stick to one another to form a thrombus, and close up the wound. One of the major components of the extracellular matrix is collagen. Glycoprotein VI (GPVI) is a protein that plays a major role in allowing platelets to bind to and become activated by c ...
Acute coronary Syndromes: An Interactive, Evidence Based
... ACE inhibitor within 24 hours with pulmonary congestion or LVEF < 40% in the absence of hypotension or contraindication Because of the increased risk of mortality, reinfarction, HTN, CHF, and myocardial rupture NSAIDS except for ASA should be discontinued at presentation Class II indications: It ...
... ACE inhibitor within 24 hours with pulmonary congestion or LVEF < 40% in the absence of hypotension or contraindication Because of the increased risk of mortality, reinfarction, HTN, CHF, and myocardial rupture NSAIDS except for ASA should be discontinued at presentation Class II indications: It ...
Liz Taylor`s Death Puts New Focus on Heart Failure (3.24.11)
... In some patients, the inability of the left ventricle to relax properly between beats also impairs its overall function. In the United States, heart failure affects nearly 5 million people of all ages, though dominantly in the older population which is an important consideration as baby boomers age. ...
... In some patients, the inability of the left ventricle to relax properly between beats also impairs its overall function. In the United States, heart failure affects nearly 5 million people of all ages, though dominantly in the older population which is an important consideration as baby boomers age. ...
Recurrent MI
... • There is decreased pressure in the ventricle, resulting in decreased workload on the heart ...
... • There is decreased pressure in the ventricle, resulting in decreased workload on the heart ...
Understanding Atrial Fibrillation (AFib)
... • Cause permanent heart damage: AFib can enlarge 1 side of the heart muscle. This makes the heart work and move in a way it shouldn’t, which can damage heart tissue. • Increase your risk of stroke: When blood does not flow smoothly through the heart some of it pools there, which can cause a blood ...
... • Cause permanent heart damage: AFib can enlarge 1 side of the heart muscle. This makes the heart work and move in a way it shouldn’t, which can damage heart tissue. • Increase your risk of stroke: When blood does not flow smoothly through the heart some of it pools there, which can cause a blood ...
cardiac cycle - WordPress.com
... Phase IV: Period of isovolumic relaxation- At the end of the period of ejection, the aortic valve closes, and the ventricular pressure falls back. The line labeled “IV” traces this decrease in intraventricular pressure without any change in volume. Thus, the ventricle returns to its starting point, ...
... Phase IV: Period of isovolumic relaxation- At the end of the period of ejection, the aortic valve closes, and the ventricular pressure falls back. The line labeled “IV” traces this decrease in intraventricular pressure without any change in volume. Thus, the ventricle returns to its starting point, ...
Pathophysiology of acute decompensated heart failure.
... Most heart failure trials excluded patients with marked renal impairment, resulting in a lack of evidence to guide best practice in the management of patients with renal impairment and heart failure. ...
... Most heart failure trials excluded patients with marked renal impairment, resulting in a lack of evidence to guide best practice in the management of patients with renal impairment and heart failure. ...
Triggers of Malignant Hyperthermia
... changes and hyperthermia NMS is a self-limiting disorder when the neuroleptics are withdrawn. Recovery time has been estimated at 7-10 days. ...
... changes and hyperthermia NMS is a self-limiting disorder when the neuroleptics are withdrawn. Recovery time has been estimated at 7-10 days. ...
Analysis of Various Reponses Occur in the Cardiovascular
... The cardiovascular system (also known as the circulatory system) is composed of the heart, blood, and blood vessels. The system is known as a closed system, because the blood never leaves the system of blood vessels. The cardiac output (CO) depends upon the heart rate and stroke volume. The heart ra ...
... The cardiovascular system (also known as the circulatory system) is composed of the heart, blood, and blood vessels. The system is known as a closed system, because the blood never leaves the system of blood vessels. The cardiac output (CO) depends upon the heart rate and stroke volume. The heart ra ...
Antihypertensive drug
Antihypertensives are a class of drugs that are used to treat hypertension (high blood pressure). Antihypertensive therapy seeks to prevent the complications of high blood pressure, such as stroke and myocardial infarction. Evidence suggests that reduction of the blood pressure by 5 mmHg can decrease the risk of stroke by 34%, of ischaemic heart disease by 21%, and reduce the likelihood of dementia, heart failure, and mortality from cardiovascular disease. There are many classes of antihypertensives, which lower blood pressure by different means. Among the most important and most widely used drugs are thiazide diuretics, calcium channel blockers, ACE inhibitors, angiotensin II receptor antagonists (ARBs), and beta blockers.Which type of medication to use initially for hypertension has been the subject of several large studies and resulting national guidelines. The fundamental goal of treatment should be the prevention of the important endpoints of hypertension, such as heart attack, stroke and heart failure. Patient age, associated clinical conditions and end-organ damage also play a part in determining dosage and type of medication administered. The several classes of antihypertensives differ in side effect profiles, ability to prevent endpoints, and cost. The choice of more expensive agents, where cheaper ones would be equally effective, may have negative impacts on national healthcare budgets. As of 2009, the best available evidence favors the thiazide diuretics as the first-line treatment of choice for high blood pressure when drugs are necessary. Although clinical evidence shows calcium channel blockers and thiazide-type diuretics are preferred first-line treatments for most people (from both efficacy and cost points of view), an ACE inhibitor is recommended by NICE in the UK for those under 55 years old.