Heart failure is characterized by the heart s inability to pump an adequate supply of blood. Fluid may back up in your lungs, causing shortness of breath. Heart failure free download as powerpoint presentation. Congestive heart failure chf is a complex clinical syndrome that can result from any functional or structural cardiac disorder that impairs the ventricles ability to fill with or eject blood.
Coronary artery disease pathophysiology cardiac muscle scribd. Congestive heart failure pathophysiology schematic. Left sided heart failure or left ventricular failure have different manifestations with right sided heart failure pulmonary congestion occurs when the left ventricle cannot effectively pump blood out of the ventricle into the aorta and the systemic circulation pulmonary venous blood volume and pressure increase, forcing fluid from the pulmonary capillaries into. Pathophysiology of hypertensive cardiovascular disease free download as word doc. Congestive heart failure pathophysiology schematic diagram 1 free download as word doc. The causes, consequences, and treatment of left or right. Left heart failure results in pulmonary hypertension over time, thus increasing the right heart s afterload.
Heart failure hf is a syndrome of ventricular dysfunction. The left side of the heart receives blood rich inoxygen from the lungs and pumps it to theremainder of the body. Left sided congestive heart failure basics overview failure of the left side of the heart to pump blood at a sufficient rate to meet the needs of the body or to prevent blood from pooling within the veins of the lungs the heart of the dog or cat is composed of four chambers. Download as docx, pdf, txt or read online from scribd. Heart failure national heart, lung, and blood institute. Moderate left ventricular failure decreased arterial pressure. Some of well known causes of left sided heart failure are as follows. Leftsided heart failure heart failure heart scribd. And this can give doctors a clue as to both how severe the heart failure is and also, whether is left sided or not.
Heart failure hf is a complex clinical syndrome that can result from any functional or structural cardiac disorder that impairs the ventricles ability to fill with or eject blood different types of hf systolic vs. Heart failure develops when the heart, via an abnormality of cardiac function detectable or not, fails to pump blood at a rate commensurate with the requirements of the metabolizing tissues or is able to do so only with an elevated diastolic filling pressure. When your heart doesnt pump enough blood to meet your needs, blood often backs up and causes fluid to build up in your lungs congest and in your legs, causing your legs to swell and turn blue from lack of oxygenated blood flow cyanosis. Pathocongestive heart failure heart failure scribd. Beluso, rn chf inability of the heart to pump sufficiently the heart is unable to maintain adequate circulation to meet the metabolic needs of the body classified according to the major ventricular dysfunction left or right chf etiology of chf 1. Leftsided heart failure left ventricular failure causes different.
Heart failure means that your heart is not pumping blood around your body as effectively as it should. Systolic and diastolic dysfunction leading to left and right sided heart failure. In this first of two lessons, we will cover the main causes, signs, and symptoms of heart failure. Congestive heart failure free download as word doc. Pathophysiology of hypertensive cardiovascular disease scribd. When there is left sided heart failure, the heart s capability to have the blood pumped to the various parts of the body is reduced. Left ventricular heart failure and pulmonary hypertension. A video weve reeditedsped up to make learning even more efficient. Left ventricular failure causes shortness of breath and fatigue, and right ventricular failure causes peripheral and abdominal fluid accumulation. Common causes of left sided heart failure atherosclerosis or cad. Right sided congestive heart failure free download as word doc. Heart failure is a longterm condition that often gets worse over time. Decompensated heart failure paradigms epidemiology heart failure. Case studycongestive heart failure free download as word doc.
This classification may help distinguish causes in terms of their impact on normal heart physiology, heart failure can also be thought of clinically as right versus left sided heart failure. The main pathophysiology of heart failure is a reduction in the efficiency of the heart muscle, through damage or overloading. Case study of congestive heart failure free download as pdf file. Acute heart failure was historically described as a pump failure causing downstream hypoperfusion and upstream congestion. An overview of medications commonly used in the treatment of chf is also presented.
Diagnosis is initially clinical, supported by chest xray, echocardiography, and. Watch the complete lecture in members area at heart failure, sometimes known as congestive heart. Chronic heart failure hf is a cardiovascular disease of cardinal importance because of several factors. So that was xrays, but another diagnostic imaging technique that we sometimes use, and its probably actually more common for heart failure, is the echocardiogram. Pathophysiology diagram of congestive heart failure free download as word doc. Left heart failure compromises aortic flow to the body and brain. Solomon is a 63year old gentle man who has been under your care for a variety of medical problems during the past 5 years. Indeed, left heart failure is the most common cause of right sided failure and results in a combination of their respective clinical syndromes termed congestive heart failure. Since there is no definitive diagnostic test for heart failure, it remains a clinical diagnosis that is. Pathophysiology of heart failure flashcards quizlet. The left side of the heart fails to pump enough blood to meet metabolic demandsfluid overload occurs. And we can even further divide those symptoms of leftsided heart failure.
This is video 1 of 3 on heart failure hf and is part of the medcram remastered series. Case study congestive heart failure patho free download as word doc. Leftsided heart failure leftsided heart failure is a lifethreatening condition in which the left side of the heart left ventricle cannot move the volume of blood forward that it has received by left atrium from pulmonary circulation so the heart fails to function. Other terms used to denote heart failure include chronic heart failure, cardiac decompensation, cardiac insufficiency, and ventricular failure. Congestive heart failure knowledge for medical students. Usually left sided heart failure is caused by systolic or pumping dysfunction. Symptoms of left sided heart failure video khan academy. Pathophysiology of heart failure mathew maurer, md, assistant professor of clinical medicine. Right ventricular failure is also characterized by an enlarged liver.
Pathophsyology left ventricular failure slideshare. He has been treated for two myocardial infarctions, hypertension, noninsulin dependent diabetes and stasis dermatitis of the left leg. Download as doc, pdf, txt or read online from scribd. Left ventricular failure is a lifethreateningcondition. May have left or right side heart failure, or both. Pulmonary hypertension ph is a frequent condition, which may occur as a consequence of pulmonary vascular disease, chronic left heart or lung disease, pulmonary embolism, or other aetiologies. There is also evidence that other factors such as nitric oxide and endothelin both of which are increased in heart failure may play a role in the pathogenesis of heart failure. Heart failure is a condition in which the heart cannot pump enough blood to meet the bodys needs. During the last decades a more complex network of interactions has been added to the simplistic haemodynamic model for explaining the pathophysiology of ahf. The left side of the heart is where oxygenated blood is received and pumped to the whole body.
Case study congestive heart failure patho ventricle. Having heart failure doesnt mean that your heart has stopped working, but that your heart needs some support to help it work better. Left sided heart failure left ventricular failure causes different. Therefore, it is important to understand the pathophysiology of heart failure because it serves as the rationale for therapeutic intervention. Right heart failure compromises pulmonic flow to the lungs. Fa il ur e right sided heart failure left sided heart failure. Pathophysiology diagram of congestive heart failure scribd. The major symptoms of rightsided heart failure are edema and. Left side of the heart pumps blood from the lungs to the organs, failure to do so. Sixkiller4 leftsided heart failure flashcards quizlet.
Heart failure results from injury to the myocardium from a variety of causes including ischemic heart disease, hypertension, and diabetes. Heart failure occurs when your heart muscle doesnt pump blood as well as it should. Because heart failure causes vascular congestion, it is often called congestive heart failure, although most cardiac specialist no longer uses this term. Pathophysiology of heart failure mathew maurer, md.
Lef sided heart failure will not show peripheral edema activity intolerance hypoxia reduced pulse pressure reduced urine output from decreased blood flow to he major organs gut eschemia abdominal discomfort, type of heart failure that is a lifethreatening condition in which the heart cannot pump enough blood to the body. Heart failure explained clearly remastered youtube. Understanding the pathophysiology and management lynn fletcher, msn, arnp debera thomas, dns, arnp purpose to explain key concepts involved in the devel opment and management of congestive heart failure chf. Pdf congestive heart failure chf is a relatively common condition in dogs. Definition of heart failure chf 4 anatomical definition left sided heart failure chd myocardial infarction disease of mitral or aortic valve cardiomyopathy of unknown origin idiopathic right sided heart failure pulmonary embolism pulmonary vascular hypertension mitral stenosismarch 20 ghennersdorf dgk. Well also explore the ways that the left side of the heart and the lungs are affected by this. Having said that, if less blood exits either ventricle itll affect the other since they work in series, so left sided could cause right sided, and vice versa, so these terms really refer to the primary problem affecting the heart, basically which one was first. Coronary artery disease pathophysiology free download as word doc. Since the left side of your heart pumps blood to your body, whereas your right side pumps blood to your lungs, the symptoms are gonna be a little different for heart failure on the left side versus the right side. Congestive heart failure chf is a clinical condition in which the heart is unable to pump enough blood to meet the metabolic needs of the body because of pathological changes in the myocardium.