Doctor insights on:
How To Decrease Cardiac Workload
Exercise increase CO: Exercise increases cardiac output as it usually increases both heart rate(hr) and stroke volume (sv) (amount of blood ejected by the heart in each beat) as cardiac output (co) = hr x sv. It is a compensatory mechanism to keep up with the demands of oxygen by the body doing exercise. If the cardiac output would not increase, the body would not be able to perform for long. ...Read more
All increase: Exercise causes an increased demand for blood flow to provide oxygen to the muscles doing the work. This is accomplished by increase in heart rate and stoke volume. Since cardiac output is determined by heart rate and stroke volume, it also goes up. Blood pressure also typically increases with strenuous exercise. ...Read more
Stress reduction: If the high heart rate is really due to stress reduction, and you don't have an abnormal arrhythmia which can also be induced by stress hormones, then relaxation and stress management techniques should help. Also avoid caffeine, alcohol, tobacco, and stimulants, in order to minimize the stress response. See your doctor for evaluation to make sure it's simply stress and not something else. ...Read more
Metabolism: Your doctor can test your metabolism to see if it is appropriate for your. Speak w/him/her about boosting it if needed. One booster is green tea. EGCG capsules contain the main ingredient in green tea and will provide a better dose than cups of tea. Peace and good health. Of course, lifestyle choices such as exercise level and food plan are important also. ...Read more
Not: There's no direct effect.Get a more detailed answer ›
Blood pressure: Higher resistance for fixed co yields increased bp, vice versa. To keep BP constant, if co goes up, pr must go down. ...Read more
It doesn't: In a physiologic model, increased blood pressure or "hypertension" or increased "afterload" tends to decrease cardiac output. In a complete animal or human model, there are various reflexes that work to maintain cardiac output in the face of increased afterload but they shouldn't cause an increase in cardiac output relative to the baseline. ...Read moreSee 1 more doctor answer
See vascular doc: Doctors that specialize in circulation will evaluate your circulatory status. Sometimes testing includes pressure measurements and at times angiography. Severe arterial blockage can be treated with ballon angioplasty or surgery. There are medications that can improve the circulation as well. A supervised exercise can improve arterial circulation. ...Read moreSee 2 more doctor answers
Exercise: In order to facilitate the increase in oxygen demand of the muscles during exercise, the heart rate and volume of blood per beat will go up. Cardiac output is the product of heart rate times stroke volume. Therefore cardiac output will increase with exercise. ...Read moreSee 1 more doctor answer
Low blood pressure: Cardiac output is related to the heart rate, and volume of blood the heart can pump with each heart beat. A low cardiac output occurs when the pump function of the heart is compromised by an event such as a heart attack or when the blood volume is reduced by and event such as dehydration, or bleeding. ...Read moreSee 1 more doctor answer
Natural: This is the normal pattern of the heart's output based upon the load conditions. The amount of blood filling the heart may vary mildly over time and combined with your level of activity and the force against your heart's ejection of blood (after load) the cardiac output may vary. Most important is that the output does not drop very low as in severe volume loss or weakness of the heart muscle. ...Read more
Wrongly ???: First always repeat before coclussion and next is have cardiologist be involved and ekg to be ordered. ...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 moreSee 1 more doctor answer
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 moreSee 1 more doctor answer
How can decreased cardiac output be caused by either increased fluid volume and decreased fluid volume?
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
Complicated.: 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 moreSee 1 more doctor answer
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