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Doctor insights on: Will Epinephrine Increase Cardiac Output

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Will epinephrine increase cardiac output?

Will epinephrine increase cardiac output?

Yes: It makes the heart contract more forcefully and makes it beat faster. Both effects will increase the cardiac output. ...Read more

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Dr. Hirenkumar Italia
442 doctors shared insights

Adrenaline (Definition)

Adrenalin(e) / Epinephrine is the hormone produced by the adrenal medulla that speeds and strengths the heart, dilates the airways, and shifts blood flow to the muscles. Often this is in response ...Read more


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How effective is Epinephrine for treating cardiac arrest?

How effective is Epinephrine for treating cardiac arrest?

Epinephrine: Epinephrine remains a component of the ACLS training by American Heart Association. Measuring 'how' effective it is, is difficult. It is generally considered one of the few drugs that helps in cardiac arrest from 'experience'. A controlled study isn't available. Cardiac Arrest has a very high mortality, we continue to consider epi effective while most other drugs have fallen off the chart. ...Read more

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Why might epinephrine cause cardiac standstill in a patient on non-selective beta blockers?

Why might epinephrine cause cardiac standstill in a patient on non-selective beta blockers?

Theory: If you assume epi is alpha-beta stimulator and nonselective beta blocker blocks both types of beta, then pure alpha stimulation without beta stimulation to support it could theoretically cause the heart to crash. Not sure there is clinical evidence to support this however. ...Read more

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What happens if someone with low blood flow due to coronary arteries receives Epinephrine due to anaphylaxis?

What happens if someone with low blood flow due to coronary arteries receives Epinephrine due to anaphylaxis?

Risk/benefit: Anaphylaxis is a condition which may lead to instant death and thus coronary narrowing is not the primary consideration in the treatment decision. Aside from that, with anaphylaxis, blood flow to the coronary will likely decrease as well if not treated. ...Read more

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How do beta-clockers increase cardiac output?

How do beta-clockers increase cardiac output?

They don't: Beta blockers do not increase cardiac output. If anything, they reduce cardiac output by reducing heart rate and the strength of contraction (contractility). ...Read more

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Can you tell me if cardiac output increases / decreases?

Can you tell me if cardiac output increases / decreases?

Both: In a normal person, cardiac output increase with exertion then returns to a normal or resting level. With a malfunctioning heart, cardiac output is frequently considered low or subnormal. ...Read more

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I'm curious what occurs if cardiac output increases? What if it decreases?

I'm curious what occurs if cardiac output increases? What if it decreases?

Constantly changing: Your cardiac output (which is the product of stroke volume and heart rate, expressed in liters per minute) is constantly changing in response to your metabolic needs. ...Read more

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Will acetylcholine raise cardiac output?

Will acetylcholine raise cardiac output?

No: Acetylcholine neurotransmission has an inhibitory effect on the heart, which lowers heart rate thereby decreasing cardiac output. ...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


Dr. Austina Cho
5 doctors shared insights

Cardiac (Definition)

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