Question 1

what are signs of high cardiac output?

Accepted Answer

Varies: Assuming a true high cardiac output syndrome, patients may feel flushed with a fast heart rate.  Most are transient situations, but some illnesses and conditions may cause a sustained high output state, e.g., hyperthyroidism, anemia, arterio-venous malformations (congenital or acquired low resistance connections between arteries and veins), or disease like paget's.  Requires confirmation by doctor.

Question 2

what happens when you have low or high cardiac output?

Accepted Answer

Fatigue: Low cardiac output will lead to fatigue and shortness of breath. High cardiac output failure caused by severe anemia or paget's disease have similar manifestation.

Question 3

what happens to the body when cardiac output is low and high?

Accepted Answer

Cardiac output: Low cardiac output has low bp, high heart rate, cold, clammy, impaired mention, may be short of breath, decreased urine output . High cardiac output usually the obverse with warm, bounding pulses, increased BP may have increased urine output.

Question 4

can being a prior endurance athlete (but not currently trained) permanently affect cardiac output resulting in high numbers when all else is normal?

Accepted Answer

Athletic Heart: Interesting question!  former athletes have been shown to have more left ventricular hypertrophy or thickened hearts that usually lessens with age and deconditioning.  A thick heart can lead to poor heart filling by increased stiffness.  A condition called diastolic dysfunction.  This can lead to a type of congestive heart failure if it persists.  Controlling hr and BP via meds can help.

Question 5

what causes high end diastolic volume and high cardiac output?

Accepted Answer

Many more factors: But, usually its anemia causes this.

Question 6

tachycardia is an early sign of low cardiac output that occurs because of what?

Accepted Answer

Not necessarily: Tachycardia can happen for dozens if not hundreds of reasons, not necessarily just from low cardiac output. In fact, that may be the least likely cause.

Question 7

what happens to cardiac output and after load when when heart rate is low? does it increase because high heart rate causes decrease in co

Accepted Answer

Varies.: BUT in a young healthy person, generally the heart rate is low because the heart is efficiently pumping and the cardiac output is good. Generally, (in normals), increasing the heart rate increases pumping and cardiac output.

Question 8

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

Accepted Answer

Normal: Normal cardiac output may range from 4-8 and index from 2.5-4.

Question 9

in a highly trained athlete with eccentric hypertrophy of both ventricles, what is the significance of a high ejection fraction (80%) and high fractional shortening (50%)? cardiac output is also high, cardiac index at 6.4 or so?

Accepted Answer

: Depends on whether the study was performed at rest or during exercise. The ejection fraction is usually lower at rest , but may increase during vigorous exercise. A cardiac index of 6.4 , if recorded at rest is much greater than usual unless there is significant bradycardia which may occur in athletes at rest. More detail (resting heart rate, heart size etc) would help to interpret better.

Question 10

what are the signs and symptoms of left sided heart failure associated with decreased cardiac output?

Accepted Answer

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!

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Doctor answers about:

What are signs of high cardiac output

A member asked:

What are signs of high cardiac output?

A member asked:

What happens when you have low or high cardiac output?

A member asked:

What happens to the body when cardiac output is low and high?

A member asked:

Can being a prior endurance athlete (but not currently trained) permanently affect cardiac output resulting in high numbers when all else is normal?

A member asked:

What causes high end diastolic volume and high cardiac output?

A member asked:

Tachycardia is an early sign of low cardiac output that occurs because of what?

A member asked:

What happens to cardiac output and after load when when heart rate is low? does it increase because high heart rate causes decrease in co

A member asked:

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

A member asked:

In a highly trained athlete with eccentric hypertrophy of both ventricles, what is the significance of a high ejection fraction (80%) and high fractional shortening (50%)? cardiac output is also high, cardiac index at 6.4 or so?

A member asked:

What are the signs and symptoms of left sided heart failure associated with decreased cardiac output?

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