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What are the causes of high cardiac output

A 42-year-old female asked:
Dr. Martin Raff
Infectious Disease 56 years experience
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
Dr. Rodney Del Valle
A Verified Doctoranswered
A US doctor answeredLearn more
Possibly nothing: If you are pregnant, the stroke volume will increase as a normal physiological change of pregnancy to get you ready for delivery of the baby. BP shoul... Read More

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A 28-year-old female asked:
Dr. Keshab Paudel
Internal Medicine 19 years experience
Many more factors: But, usually its anemia causes this.
Dr. Mazen Kherallah
Infectious Disease 34 years experience
Anemia and others: Severe anemia, beriberi, hyperthyroidism, paget's disease and arteriovenous fistulas.
A 24-year-old female asked:
Dr. Matt Wachsman
Internal Medicine 36 years experience
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 33-year-old member asked:
Dr. Irv Loh
Dr. Irv Lohanswered
Cardiology 49 years experience
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
A 31-year-old member asked:
Dr. Mazen Kherallah
Infectious Disease 34 years experience
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 46-year-old member asked:
Dr. Calvin Weisberger
Cardiology 51 years experience
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 31-year-old member asked:
Dr. Carlos Orrego
Cardiology 28 years experience
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 42-year-old female asked:
Dr. Charles Caldwell
Cardiology 30 years experience
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
A 30-year-old member asked:
Dr. Bennett Werner
Cardiology 44 years experience
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 33-year-old member asked:
Dr. Rajat Jhanjee
Cardiology 20 years experience
Stroke volume: Cardiac output is determined by heart rate and volume of blood pumped by heart in each heartbeat (stroke volume). Increased fluid volume increases th... Read More

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