Circulatory System
... Evolution of the Circulatory System • The first organisms with a simple circulatory system including tissue that helped pump the fluid were protostomes in the Lophotrochozoa • Around the Cambrian, 600 million years ago ...
... Evolution of the Circulatory System • The first organisms with a simple circulatory system including tissue that helped pump the fluid were protostomes in the Lophotrochozoa • Around the Cambrian, 600 million years ago ...
Circulatory System ppt
... • Stroke=Death of cells in the brain. Cause: A blood vessel in the brain is blocked (by dislodged plaque, or bursts, starving the cells of oxygen) A stroke can have many different symptoms, including: numbness, vision changes, speech changes, or confusion. Risk Factors: Smoking, high blood pressure, ...
... • Stroke=Death of cells in the brain. Cause: A blood vessel in the brain is blocked (by dislodged plaque, or bursts, starving the cells of oxygen) A stroke can have many different symptoms, including: numbness, vision changes, speech changes, or confusion. Risk Factors: Smoking, high blood pressure, ...
Shock
... • - In a woman who has not had a healthy increase in plasma volume, or has sustained an antepartum haemorrhage, a much lower blood loss is required to have a pathological effect on the body and its systems. Individual organs are affected as below. ...
... • - In a woman who has not had a healthy increase in plasma volume, or has sustained an antepartum haemorrhage, a much lower blood loss is required to have a pathological effect on the body and its systems. Individual organs are affected as below. ...
Preanaesthetic Assessment - Neurological Society of India
... Urea and electrolytes: patients taking digoxin, diuretics, steroids, and those with diabetes, renal disease, vomiting, diarrhoea ...
... Urea and electrolytes: patients taking digoxin, diuretics, steroids, and those with diabetes, renal disease, vomiting, diarrhoea ...
Skeletal Muscles
... medical emergency. If left untreated, ventricular fibrillation (VF, or V-fib) can lead to death within minutes. When a heart goes into V-fib, effective pumping of the blood stops. V-fib is considered a form of cardiac arrest, and an individual suffering from it will not survive unless cardiopulmonar ...
... medical emergency. If left untreated, ventricular fibrillation (VF, or V-fib) can lead to death within minutes. When a heart goes into V-fib, effective pumping of the blood stops. V-fib is considered a form of cardiac arrest, and an individual suffering from it will not survive unless cardiopulmonar ...
Biomedical Engineering
... Terminology, disciplines, curriculum Case Study: Heart and lung machine Case Study: Neuroengineering - neural prostheses Lab visit: Mathiowitz Lab ...
... Terminology, disciplines, curriculum Case Study: Heart and lung machine Case Study: Neuroengineering - neural prostheses Lab visit: Mathiowitz Lab ...
heart
... • AV node fires at 40-50 times per minute • If both nodes are suppressed fibers in ventricles by themselves fire only 20-40 times per minute • Artificial pacemaker needed if pace is too slow • Extra beats forming at other sites are called ectopic pacemakers – caffeine & nicotine increase activity ...
... • AV node fires at 40-50 times per minute • If both nodes are suppressed fibers in ventricles by themselves fire only 20-40 times per minute • Artificial pacemaker needed if pace is too slow • Extra beats forming at other sites are called ectopic pacemakers – caffeine & nicotine increase activity ...
CH 9student - Dr. Brahmbhatt`s Class Handouts
... • The ATRIA are ____________________ chambers for blood – _______________ walled • The VENTRICLES are _______________ chambers – ____________________ walled – left ventricle is ________________ because it is responsible for pumping blood throughout the body (except the lungs, which is done by the ri ...
... • The ATRIA are ____________________ chambers for blood – _______________ walled • The VENTRICLES are _______________ chambers – ____________________ walled – left ventricle is ________________ because it is responsible for pumping blood throughout the body (except the lungs, which is done by the ri ...
The impact of pregnancy on heart diseases. Recommendations for
... Futher increase in cardiac uotput ( 15% in the first stage and 50 % in the second stage) Uterine contractions lead to autotransfusion of 300 – 500 ml of blood into circulation Sympathetic response to pain and anxiety elevates futher HR and blood pressure After delivery there is immediate ris ...
... Futher increase in cardiac uotput ( 15% in the first stage and 50 % in the second stage) Uterine contractions lead to autotransfusion of 300 – 500 ml of blood into circulation Sympathetic response to pain and anxiety elevates futher HR and blood pressure After delivery there is immediate ris ...
Cardiac Physiology
... • Specialized for initiating and conducting action potentials responsible for contraction of working cells ...
... • Specialized for initiating and conducting action potentials responsible for contraction of working cells ...
thiamin supplementation in patients with chronic heart failure
... diastolic echocardiographic parameters and symptoms and signs of heart failure. Methods: Forty six patients with systolic heart failure, who were receiving full medical treatment according to guidelines and had no change in drug therapy at for least 3 months, were included in the study. Patients wer ...
... diastolic echocardiographic parameters and symptoms and signs of heart failure. Methods: Forty six patients with systolic heart failure, who were receiving full medical treatment according to guidelines and had no change in drug therapy at for least 3 months, were included in the study. Patients wer ...
10. (StI-FIZO) PHYSIOLOGY I
... 1.INTRODUCTION IN PHYSIOLOGY: Functional organization of the human body and control of "internal environment". The cells of the body as a living units and their functions. Homeostaticmehanizmi major functional systems. 2. Breathing: Properties of gases. Ventilation. Volume and lung capacity. Physiol ...
... 1.INTRODUCTION IN PHYSIOLOGY: Functional organization of the human body and control of "internal environment". The cells of the body as a living units and their functions. Homeostaticmehanizmi major functional systems. 2. Breathing: Properties of gases. Ventilation. Volume and lung capacity. Physiol ...
Answers
... Normally, at birth, this hole seals over and the two ventricles are separated from each other. What would be the consequences to the infant if this hole did not seal over at birth? If the foramen ovale did not seal at birth, oxygenated blood from the lungs (left ventricle) would mix with deoxygenate ...
... Normally, at birth, this hole seals over and the two ventricles are separated from each other. What would be the consequences to the infant if this hole did not seal over at birth? If the foramen ovale did not seal at birth, oxygenated blood from the lungs (left ventricle) would mix with deoxygenate ...
Properties of Cardiac muscle MCQ
... B. Nuclei are in the periphery. C. Rich in blood supply and mitochondria. D. They form branching network connected by intercalated discs. 3. The excitability of the cardiac muscle is increased by the following factor except: A. Hypokalemia. B. Sympathetic stimulation. C. Mild ischemia. D. Catecholam ...
... B. Nuclei are in the periphery. C. Rich in blood supply and mitochondria. D. They form branching network connected by intercalated discs. 3. The excitability of the cardiac muscle is increased by the following factor except: A. Hypokalemia. B. Sympathetic stimulation. C. Mild ischemia. D. Catecholam ...
Circulatory system
... heart, veins and blood vessels, and Its includes: the pulmonary circulation and systemic circulation, A. The Pulmonary circulation:. is the portion of the circulatory system in which transports oxygen-depleted blood away from the heart, to the lungs, and returns oxygenated blood back to the heart. B ...
... heart, veins and blood vessels, and Its includes: the pulmonary circulation and systemic circulation, A. The Pulmonary circulation:. is the portion of the circulatory system in which transports oxygen-depleted blood away from the heart, to the lungs, and returns oxygenated blood back to the heart. B ...
The Hearts conduction system
... The impulse activates the AV node in the right atrium, which passes the impulse down the bundle of His, located in the septum of the heart. The bundle of His splits into two branches and spreads the impulse down to the bottom of the heart and then up around the walls of the two ventricles using ...
... The impulse activates the AV node in the right atrium, which passes the impulse down the bundle of His, located in the septum of the heart. The bundle of His splits into two branches and spreads the impulse down to the bottom of the heart and then up around the walls of the two ventricles using ...
CARDIOLOGY PATIENT PAGE Atrial Fibrillation
... can be restored by medical intervention in the form of medication or, more commonly, by an electrical shock to the heart (DC cardioversion). Case Report: The Vague Symptoms of Persistent AF Patient B had a severe, persistent chest infection. He became breathless walking on the smallest incline. At a ...
... can be restored by medical intervention in the form of medication or, more commonly, by an electrical shock to the heart (DC cardioversion). Case Report: The Vague Symptoms of Persistent AF Patient B had a severe, persistent chest infection. He became breathless walking on the smallest incline. At a ...
cardiovascular system
... heart. Path parallels the arteries. Veins have thinner walls and less elastic tissue than arteries. Veins have valves which keep blood flowing toward the heart. Veins subdivide into venules which can’t carry high pressure blood. Blood Pressure : is the force of blood against the inner walls of the b ...
... heart. Path parallels the arteries. Veins have thinner walls and less elastic tissue than arteries. Veins have valves which keep blood flowing toward the heart. Veins subdivide into venules which can’t carry high pressure blood. Blood Pressure : is the force of blood against the inner walls of the b ...
Myocardial infarction
Myocardial infarction (MI) or acute myocardial infarction (AMI), commonly known as a heart attack, occurs when blood flow stops to a part of the heart causing damage to the heart muscle. The most common symptom is chest pain or discomfort which may travel into the shoulder, arm, back, neck, or jaw. Often it is in the center or left side of the chest and lasts for more than a few minutes. The discomfort may occasionally feel like heartburn. Other symptoms may include shortness of breath, nausea, feeling faint, a cold sweat, or feeling tired. About 30% of people have atypical symptoms, with women more likely than men to present atypically. Among those over 75 years old, about 5% have had an MI with little or no history of symptoms. An MI may cause heart failure, an irregular heartbeat, or cardiac arrest.Most MIs occur due to coronary artery disease. Risk factors include high blood pressure, smoking, diabetes, lack of exercise, obesity, high blood cholesterol, poor diet, and excessive alcohol intake, among others. The mechanism of an MI often involves the rupture of an atherosclerotic plaque, leading to complete blockage of a coronary artery. MIs are less commonly caused by coronary artery spasms, which may be due to cocaine, significant emotional stress, and extreme cold, among others. A number of tests are useful to help with diagnosis, including electrocardiograms (ECGs), blood tests, and coronary angiography. An ECG may confirm an ST elevation MI if ST elevation is present. Commonly used blood tests include troponin and less often creatine kinase MB.Aspirin is an appropriate immediate treatment for a suspected MI. Nitroglycerin or opioids may be used to help with chest pain; however, they do not improve overall outcomes. Supplemental oxygen should be used in those with low oxygen levels or shortness of breath. In ST elevation MIs treatments which attempt to restore blood flow to the heart are typically recommended and include angioplasty, where the arteries are pushed open, or thrombolysis, where the blockage is removed using medications. People who have a non-ST elevation myocardial infarction (NSTEMI) are often managed with the blood thinner heparin, with the additional use angioplasty in those at high risk. In people with blockages of multiple coronary arteries and diabetes, bypass surgery (CABG) may be recommended rather than angioplasty. After an MI, lifestyle modifications, along with long term treatment with aspirin, beta blockers, and statins, are typically recommended.Worldwide, more than 3 million people have ST elevation MIs and 4 million have NSTEMIs each year. STEMIs occur about twice as often in men as women. About one million people have an MI each year in the United States. In the developed world the risk of death in those who have had an STEMI is about 10%. Rates of MI for a given age have decreased globally between 1990 and 2010.