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what are the causes of high cardiac output

A 49-year-old female asked:
Dr. Martin Raff
55 years experience in Infectious Disease
Cardiac output (Q): When q increases in a healthy individual, most is due to an increase in heart rate. Change of posture, increased sympathetic nervous system activity, ... Read More
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A 34-year-old female asked:
Dr. Keshab Paudel
18 years experience in Internal Medicine
Many more factors: But, usually its anemia causes this.
A 29-year-old female asked:
Dr. Matt Wachsman
35 years experience in Internal Medicine
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 ... Read More
A 42-year-old member asked:
Dr. Irv Loh
Dr. Irv Loh answered
48 years experience in Cardiology
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 ... Read More
8
8 thanks
A 37-year-old member asked:
Dr. Mazen Kherallah
33 years experience in Infectious Disease
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 m ... Read More
A 51-year-old member asked:
Dr. Calvin Weisberger
50 years experience in Cardiology
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 u ... Read More
A 37-year-old member asked:
Dr. Carlos Orrego
27 years experience in Cardiology
Low cardiac output: Cardiac output depends on heart rate and stoke volume. Therefore, the cardiac output increases when heart rate goes up in normal heart. However, when ... Read More
A 49-year-old female asked:
Dr. Charles Caldwell
29 years experience in Cardiology
Athletic Heart: Interesting question! former athletes have been shown to have more left ventricular hypertrophy or thickened hearts that usually lessens with age and ... Read More
2
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A 38-year-old member asked:
Dr. Bennett Werner
43 years experience in Cardiology
Physiology: The amount of blood the left ventricle can pump (stroke volume) is directly related to "preload" which is based on the venous return to the heart. If ... Read More
A 54-year-old member asked:
Dr. Charles Talakkottur
60 years experience in Internal Medicine
You have it reverse: Heart rate x stroke volume = cardiac output and thus if stroke volume decreases, cardiac output decreases or if heart rate decreases cardiac output de ... Read More

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