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Weak heart muscle is also known as systolic failure that occurs due to inadequate contractibility of left heart ventricle . Poor left ventricle compression leads to reduced ejection fraction , thus , pumping oxygenated blood to the sleep of the body is reduce . As a compensatory mechanism , the left ventricles remodel and ventricular distention carry place that lead to progression of systolic substance loser . nub failure can also occur when the ventricles are stiff and not capable to relax , termed as diastolicheart nonstarter .
The normal ejection fraction of heart is about 55 - 70 % ; however , in systolic centre bankruptcy reduce ejection fraction of less than 40 % is mostly seen in patients youthful than 65 years . The common causes include cardiomyopathies ( diseases of the center muscular tissue ) and coronary artery disease ( leading to irreversible harm to the heart muscle).(1 )
What Are The Symptoms Of A Weak Heart Muscle?
The symptom of heart failure are associated with over-crowding and fluid retention that cause shortness of breath and oedema . The cut down ejection fraction leads to decreased blood flow at the time of high requirement ( as in increased strong-arm activity ) that manifests as early tiredness with prolonged exhaustion after enceinte physical activeness , unrelated to shortness of breathing place . When the disease has progressed , the cardiac output at rest is down in the mouth than normal . When there is extreme cardiac output reduction , it becomes living threatening and is termed ascardiogenic shock.(1 )
Shortness of breathor exertionaldyspneais a very vulgar symptom of heart bankruptcy or weak heart muscle . However , dyspnea is a common symptom of pulmonic disease ; therefore , it is not specific to heart failure . Orthopnea ( shortness of breath while lie in down ) is also a specific symptom of substance failure , though lacks in sensitivity . Paroxysmal nocturnal dyspnea ( shortness of intimation at dark time ) is another symptom of spirit unsuccessful person , which has greater sensitivity . It is caused due to increase in imperativeness of left ventricular filling . Furthermore , it can also lead to ischaemic chest botheration at night .
Generalized fatigue is another vulgar symptom of chronic center failure . It is triggered by anomaly in skeletal muscle function and structure , due to untimely Lactaid release , and impaired muscle bloodline flow . The deficiency in cerebral blood flow with change in sleep pattern may lead to increase drowsiness and confusion in cases of stark continuing affection failure .
swell up is another usual symptom of weak heart muscle . It is most big in feet and mortise joint . Although , swelling is not specific to heart failure as it can be seen in liver dilatation , ascites , right heart failure , loss of appetiteand bowel dropsy too . There also might be increase in weight due to fluid retention , although free weight red and cardiac cachexia are seen in some patients.(1 )
The strong-arm signs of ticker bankruptcy includetachycardia , pulmonic crepitations , jugular venous distention , displaced apex beat and a third tenderness sound . These signs may also be present in other disease conditions , which may not be specific to the disease .
complication of heart failure might include arrhythmias ( both atrial and ventricular ) , stroke , thromboembolism , pneumonic over-crowding , pulmonary high blood pressure , respiratory muscle helplessness , muscle wasting away , hepatic over-crowding , hepatic dysfunction , malabsorption and sudden death.(2 )
Atrial fibrillation is present in about 10 - 50 % of all affected role with continuing heart nonstarter that can either be a reason or upshot of heart failure . Patients suffer from eye failure along with atrial fibrillation are at increased risk of developing stroke and other thromboembolisms . Ventricular arrhythmias are mostly found in patients with oddment stagecoach marrow failure.(1 )
close to 2 % patients with congestive heart failure suffer from stroke and thromboembolism ( mystifying vein thrombosis , pneumonic embolism ) , each year . The jeopardy factor associated with thromboembolic complications are low cardiac outturn , atrial fibrillation , persistence of venous sinus rhythm , and regional bulwark motion abnormalities . The risk of thromboembolism increases with the rigor of cardiac failure and is relate to left atria and leave ventricular dilatation .
The mortality and unwholesomeness of patient with symptomatic chronic systolic heart failure is about 20 - 30 % one year deathrate for mild to moderate ticker failure and more than 50 % one yr mortality for severe heart loser .
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