Doctor insights on:
Why Does A Patient In Renal Failure Have Decreased Cardiac Output
Not always related: Renal failure in and of itself is not realted to cardiac output, there are many things that can cause both renal failure and decreased cardiac output, but they are not always related. However, if someone has really low cardiac output, one could develop renal failure b/c not enough blood is getting to the kidneys. ...Read more
A condition in which your kidneys suddenly stop working normally. Since your kidneys remove waste products and help balance water and salt and other minerals (electrolytes) in your blood, when your kidneys stop working, waste products, fluids, and electrolytes build up in your body. This can cause problems ...Read more
Direct vs. indirect: Kidney failure can weaken the heart muscle (uremic cardiomyopathy), but this is pretty rare. A more common problem is fluid accumulation around the heart (pericardial efffusion), which can literally choke the heart (tamponade) but improves with extra dialysis. Or, more likely, the conditions that caused the kidney disease (commonly hypertension and/or diabetes) also are causing heart problems. ...Read more
Complex: Even though the mechanisms are complex, one way to understand is that if you lose the ability to filter your blood and eliminate extra fluid from your body (one of the kidney's main functions) your heart will be burdened with pumping a lot more blood than it was intended to do and will therefore fatigue and not pump as well (same as any other muscle would if forced to work "overtime"). ...Read more
Many reasons: Decreased cardiac output can contribute to reduced kidney function. Kidney disease is often associated with heart problems that reduce cardiac output. High blood pressure and volume overload with kidney failure can also reduce heart output. It's often difficult to sort out cause and effect in these situations. ...Read more
Cardiac transplant: Transplant survival rates have been improving over the past several years as better options exist in preventing rejection (better than 60% live 10 or more years). Diffuse post-transplant coronary arteriopathy tends to or relate more with late post-transplant events. Coexistant renal failure would also be a negative predictor on survival irrespective of transplant status (mortality 50% at 2 yrs). ...Read more
Sick muscle: The heart is supposed to pump out a certain amount with every heart beat, if that amount is too low, e.g. Low out put, the heart muscle is too weak to do its job(failure). ...Read more
What are the signs and symptoms of left sided heart failure associated with decreased cardiac output?
Swelling: The left side of the heart pumps blood throughout your body. When it fails, it decreases blood flow to organs. This can cause kidney injury, liver injury, fatigue, shortness of breath with little exertion, swelling of the feet and legs, fluid build-up in the lungs, and difficulty sleeping flat due to shortness of breath. Medications and diet are important for this disease! ...Read more
What are the signs and symptoms of left sided heart failure due associated with decreased cardiac output?
Congestion: Breathlessness, especially with exertion. Easy fatigability. Impaired exercise capacity. These are early signs. Without treatment, one becomes short of breath resting, especially when lying down (orthopnea) and at night (paroxysmal nocturnal dyspnea). Eventually the right heart also fails leading to swelling (edema), abdominal fluid (ascites and effusions), and cachexia (wasting). ...Read more
It is an indirect relationship. Hypertension over time can lead to changes in the heart muscle and heart function. It may eventually lead to heart failure. When this ensues the output of the heart can eventually decline and cause serious symptoms.
In the earlier stages if hypertension cardiac output actually goes up. ...Read more
Hypertension: High blood pressure usually implies an increased peripheral vascular resistance for a time the heart can keep up with the resistance late in the course the heart begins to not be able to generate the stroke volume against the resistance and cardiac output may fall. If abnormal ventricular function is present, cardiac output may fall earlier. ...Read more
Stroke volume: Cardiac output is determined by heart rate and volume of blood pumped by heart in each heartbeat (stroke volume). Increased fluid volume increases the stroke volume and therefore cardiac output. Decreased fluid volume decreases the stroke volume and therefore cardiac output. ...Read more
Overloading: Low cardiac function may not be able to keep up with too much volume and the fluid backs up in places like the lung, neck, abdomen, and legs. Too much volume can overwhelm a borderline heart already weak. When the heart cannot keep up the needed cardiac output (liters per min) and making the pump work harder increasing pressure inside the heart, and dilating the chamber getting into a bad cycle. ...Read more
How can decreased cardiac output be caused by either increased fluid volume and decreased fluid volume?
I had a stress echo that showed decreased cardiac output with exercise. Anterolateral wall (especially in the neck) hypokinesia. I am 2 years out from my VATS Maze procedure?
Typically decreased: Dilated cardiomyopathy in the classic form has the greatest effect on the left ventricle, which is responsible for pumping blood to the body. In dilated cardiomyopathy, the muscle that makes up the left ventricle is weaker than normal and has less reserve. Therefore, typically, the cardiac output is less than normal and the ability to increase cardiac output for exercise is blunted. Meds can help. ...Read more
I was wondering what would the cardiac output of a patient be, if his heart was beating 80 times per minute while pumping 70 m?
Risk of bleed: Ffp has coagulation factors and is usually given to decrease the risk of bleeding. Some kidney diseases are also associated with abnrmalities in coagulation, therefore may need ffp. Kidney disease per se can increase the bleeding risk as some cells do not work well in kidney failure. Usually FFP are given when there is ongoing bleed, or there is high risk of bleed, or when procedure is planned. ...Read more
Need a lot more info: You've given too little detail, so you'll need to provide us with more. When you say renal failure, do you mean end-stage renal disease, acute renal failure, chronic renal failure, or something else? What other things are happening with the patient besides the occasional fever? What region of the world is the patient in? Any other concomitant illnesses? How high is the fever? ...Read more
Have you heard of adding baking soda to renal failure patients. Hospitals are having success with humans.?
Yes: And furthermore, I suggest you take a look at this website: http://www.nhs.uk/news/2009/07July/Pages/Bakingsodaforkidneypatients.aspx ...Read more
ARF and infection: Acute renal failure (ARF) has a frequently reported mortality in 20-80% of the patients. Infection, as a cause or a complication of the syndrome, is a risk factor which adversely determines its outcome. In a study in 2009, infection occurred in four fifths of critically ill patients with ARF treated with dialysis and was in an unadjusted analysis associated with longer los and higher mortality. ...Read more
Disease treatment: The only effective prevention for the renal disease associated with myeloma is the effective treatment of the underlying disease. ...Read more
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