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A 30-year-old member asked:

what effects does neostigmine have on cardiac function?

1 doctor answer1 doctor weighed in
Dr. Howard Rubin
Cardiology 47 years experience
Neostigmine: Causes slowing of the heart rate.

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A 25-year-old member asked:

Why am I not allowed to eat or drink anything 6 hours prior to a coronary angiogram?

2 doctor answers3 doctors weighed in
Dr. Mark Stern
Cardiology 46 years experience
Nausea from dye: Sometimes the dye that they inject can cause nausea so they want your stomach empty.
A 41-year-old member asked:

How risky or dangerous is a cardiac catheterization?

2 doctor answers3 doctors weighed in
Dr. Mark Stern
Cardiology 46 years experience
1 in 500 chance : There is a 1 in 500 chance of a serious complication, including heart attack, stroke, and death.
A 41-year-old member asked:

What is the difference between an ivus and a cardiac catheterization?

2 doctor answers9 doctors weighed in
Dr. Francis Uricchio
Cardiology 38 years experience
Part of same: Ivus (intravascular ultrasound) is a diagnostic tool that can be used during cardiac catheterization when the angiographic pictures are not sufficient to determine the severity of a blockage. Ivus can be considered part of cardiac catheterization in a subset of patients who require it.
Dr. Calvin Weisberger
Cardiology 51 years experience
IVUS stands for intravascular ultrasound. A small ultrasound catheter is inserted in the coronary artery and internal sound wave images are obtained. This adds to the information when needed, from a standard contrast angiogram. It isn't done at all coronary angiograms but is useful when needed.
Mar 19, 2013
A 39-year-old member asked:

Is fever an indicator of an increase in cardiac output?

2 doctor answers5 doctors weighed in
Dr. Mark Rasak
Cardiology 33 years experience
No but it is a cause: Fevers cause your heart rate to increase. Cardiac output is determined by heart rate x stroke volume. So if you increase hr you increase cardiac out put.
A 29-year-old member asked:

What's the purpose of the coronary arteries?

4 doctor answers9 doctors weighed in
Dr. Stuart Higano
Cardiology 37 years experience
Coronary arteries: Coronary arteries run on the surface of the heart and provide blood to the heart muscle. As a contracting muscle, the heart needs a continuing supply of nutrients like oxygen, glucose, fatty acids. If coronary blood flow is slowed or interrupted, such as by a coronary narrowing or a blood clot, the heart muscle will suffer and the patient will feel chest pain or there will be a heart attack.

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Last updated Dec 26, 2012

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