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Heart failure with preserved ejection fraction (HFpEF) is a form of heart failure in which the ejection fraction – the percentage of the volume of blood ejected from the left ventricle with each heartbeat divided by the volume of blood when the left ventricle is maximally filled – is normal, defined as greater than 50%; [1] this may be measured by echocardiography or cardiac catheterization.
Heart failure, or formally cardiomyopathy, is the impaired function of the heart, and there are numerous causes and forms of heart failure. The causes of cardiomyopathy can be genetic, viral, or lifestyle-related. Key symptoms of cardiomyopathy include shortness of breath, fatigue, and irregular heartbeats.
Wild-type transthyretin amyloid accumulates mainly in the heart, where it causes stiffness and often thickening of its walls, leading consequently to shortness of breath and intolerance to exercise, called diastolic dysfunction. Excessively slow heart rate can also occur, such as in sick sinus syndrome, with
Fatigue is a state of tiredness (which is not sleepiness), exhaustion [1] or loss of energy. [2] [3]Fatigue (in the medical sense) is sometimes associated with medical conditions including autoimmune disease, organ failure, chronic pain conditions, mood disorders, heart disease, infectious diseases, and post-infectious-disease states. [4]
Alzheimer's disease – (AD), also referred to simply as Alzheimer's, is a chronic neurodegenerative disease that usually starts slowly and worsens over time. [15] [16] It is the cause of 60–70% of cases of dementia. [15] [16] The most common early symptom is difficulty in remembering recent events (short-term memory loss). [15]
The paradox was first described in 1999 in overweight and obese people undergoing hemodialysis [89] and has subsequently been found in those with heart failure and peripheral artery disease (PAD). [90] In people with heart failure, those with a BMI between 30.0 and 34.9 had lower mortality than those with a normal weight.
Type 2 diabetes is typically a chronic disease associated with a ten-year-shorter life expectancy. [ 10 ] [ 26 ] This is partly due to a number of complications with which it is associated, including: two to four times the risk of cardiovascular disease, including ischemic heart disease and stroke; a 20-fold increase in lower limb amputations ...
Both Valsalva maneuver and standing decrease venous return to the heart thereby decreasing left ventricular diastolic filling and causing more laxity on the chordae tendineae. This allows the mitral valve to prolapse earlier in systole , leading to an earlier systolic click (i.e. closer to S 1 ), and a longer murmur.
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