Doctor insights on:
Cardiac Output By Thermodilution
Please clarify: I'm not sure where you are going with this question but I will do my best to help. Most of the blood flow from the heart goes to vital organs such as the brain and kidneys. Some tissues and organs have variable blood flow according to conditional demand like muscle and skin. Connective tissues receive very little blood flow. ...Read moreSee 1 more doctor answer
Starling mechanism: You mean how does venous pressure regulate cardiac output.similar to the Starling mechanism-by increasing pre load. Up to a certain point cardiac output is directionally proportional to venous pressure assuming that everything else is the same such as the after load or cardiac contractility ...Read more
Which value of cardiac output is considered high?My stroke volume 90ml, by 75 bpm, that means cardiac out:6, 7l/min;cardiac index would be 3, 5l/min*m2.Tx
Cardiac Output: Numbers such as you list can be normal especially in a smoker. Numbers alone without clinical correlation don't necessarily mean a lot. You should discuss these data with the physician(s) who know you and your specifics. ...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
If cardiac output of 4 l/min is exercised maximally, and cardiac output increases to 8 l/min. What is the cardiac reserve?
Abnormal heartbeat: The normal heartbeat is from the sinus, located in the top of the heart and is called normal sinus rhythm. An arrhythmia is anything other than sinus rhythm - supraventricular tachycardia (svt), atrial fibrillation, atrial flutter, ventricular tachycardia are all cardiac arrhythmias. They can cause fainting and worse, up to and including death. Water intoxication does not cause them. Alcohol can. ...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
Clarify:cardiac output too high at rest? Echo:stroke volume 100ml by 70 bpm, that means cardiac out:7l/min; cardiac index would be 3, 57l/min*m2.Txs
High Cardiac Output: Cardiac output is calculated by multiplying stroke volume by heart rate. Since the amount of blood pumped by the heart is dependent on body surface area ie. A larger person needs more blood supply. If it is more than 6l/min in an average person, at rest , and associated with symptoms, the cause must be looked into. ...Read moreSee 1 more doctor answer
How can decreased cardiac output be caused by either increased fluid volume and decreased fluid volume?
Is my cardiac output too high? Results from echo:stroke volume 100ml, by 70 bpm, that means cardiac out:7l/min; cardiac index would be 3, 57l/min*m2.
If left ejection fraction is maintained in diastolic heart failure, why is the cardiac output decreased?
Think stiffness: In diastolic dysfunction, the heart muscle tends to be stiff, so that it doesn't "relax" well and fill with blood. So even if the heart can pump blood forward OK, if it doesn't fill up appropriately, then it won't function optimally ... ...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 it's job(failure). ...Read more
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