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Doctor insights on: Are Arms And Legs In Competition For Cardiac Output

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Are arms and legs in competition for cardiac output?

Are arms and legs in competition for cardiac output?

Cardiac Output: The body will preferentially direct cardiac output to organs it deemes most vital for sustaining life. This is in (relative) order: brain, heart, kidneys, gut, muscle and skin. There is no real competition between upper and lower extremities, but rather distribution based on muscle activity and intensity. Fun question! ...Read more

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Dr. Cynthia Archer
916 doctors shared insights

Cardiac Output (Definition)

Cardiac output is a measurement of the amount of blood a person's heart can pump out during a set amount of time. The measurements help doctors figure out how strong or weak ...Read more


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Can an abnormal EKG and elevated troponins indicate a possible mi event. Also can pain in the arms, legs, hands and feet be tell tell signs of a slow but pending cardiac event about to happen? The pain value is between 7-9 thank you in advance for your t

Can an abnormal EKG and elevated troponins indicate a possible mi event. Also can pain in the arms, legs, hands and feet be tell tell signs of a slow but pending cardiac event about to happen? The pain value is between 7-9

thank you in advance for your t

Yes, : Yes, very definitely. The troponin test is used to help diagnose a heart attack, to detect mild to severe heart injury, and to distinguish chest pain that may be due to other causes. An elevation in combination with certain changes in the electrocardiogram can be very specific for a heart attack. Troponin values can remain high for 1—2 weeks after a heart attack. Troponin may rise following strenuous exercise, although without signs and symptoms of heart disease, it is usually of no significance. Troponin levels may also be elevated with acute or chronic conditions such as myocarditis (inflammation of heart muscle), congestive heart failure, severe infections, kidney disease, and certain chronic inflammatory conditions of muscles and skin. Some pains in the arms and less likely in the legs may be indicative of a cardiac problem. Best to have this checked by your doctor as soon as you can. ...Read more

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What would cause numbness and tingling n ur arms and legs?

Many things: One thing is a peripheral neuropathy, but that usually starts in the feet, later gets into the fingers. It's not really arms and legs, but more a "feet then hands" kind of thing. Certain meds can do it, too. Discuss with your doc if persistent and/or worsening. ...Read more

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I keep having numbness and tingling in my arms and legs. I've been tested for m.S. And it came back negative. Any other thoughts?

I keep having numbness and tingling in my arms and legs. I've been tested for m.S. And it came back negative. Any other thoughts?

Numbness: Are you anxious are feeling a lot of stress. The most common cause of numbness of hands and feet is anxiety with or without hyperventilation. Hyperventilation, repeated deep breaths, can occur in some people who just sigh a lot. If the numbness or tingling is constant and progressive, you need to see a doctor to evaluate for spinal cord or peripheral nerve problems (rare). ...Read more

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How can I put an end to fat on arms and legs?

Spot fat loss does: Not occur naturally. By losing weight in general a certain % will be arm ; leg fat. Eat healthfully ; be physically active. Calories burned must > calories consumed. To tighten arms use standing biceps curl w dumbbells, hammer curls w dumbbells, triceps kickback w dumbbells ; lying triceps extension w dumbbells. Tone thighs w plie, squat, wall squat, ball squat, plyometric squat, stair steps, >. ...Read more

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My wife has tiny red pin pricks on her arms and legs?

My wife has  tiny red pin pricks on her arms and legs?

Not likely: This could be many different things. Has she been in an area where there are ticks? Does she have other symptoms? Have you been sticking her with pins (just kidding)? If this progresses or she has other symptoms would let a doctor take a look at this. Without seeing it, impossible to diagnose. ...Read more

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How short is a person who has short arms and legs to be a midget?

How short is a person who has short arms and legs to be a midget?

Midget vrs dwarf: "midget" refers to a person who is very short, but normally proportioned. A person who is small in height but doesn't have disproportionate limbs or other body parts would be a midget (term considered offensive by most). On the other hand, "dwarf" referrs to a person who is small and has disproportionate body parts. Usually a midget is considered if they are under 4'11". ...Read more

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Why do my arms and legs feel numbed? I've been feeling this for a week.

?stress: There are many causes but if you are not diabetic or suffer from any other major disorder it may have a simple explanation at your age such as anxiety and hyperventilation If it persists or progresses see an MD ...Read more

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Is it normal for your arms and legs to feel heavy and tingly after anesthesia?

Is it normal for your arms and legs to feel heavy and tingly after anesthesia?

Immediately : After anesthesia, sometimes one may feel heavy and tired. This should go away as the medications are metabolized. If it doesn't or if you feel a focal deficit, call your doctor asap. ...Read more

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Dr. Debra Rosenblatt
5 doctors shared insights

Cardiac (Definition)

Cardiac translates literally to "heart, " and any place the term is seen, such ...Read more