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what are the causes of high cardiac output

A 50-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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2 thanks

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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
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8 thanks
A 42-year-old member asked:
Dr. Samuel Hahn
27 years experience in Cardiology
HR x SV: Cardiac output in its most simple form is heart rate x stroke volume.
A 59-year-old member asked:
Dr. Mark Rasak
32 years experience in Cardiology
Depends: Congestive heart failure or CHF can be from many things. Different types include systolic dysfxn wich means a weak heart. Usually from a virus, heart ... Read More
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A 40-year-old member asked:
Dr. Kalyani Perumal
28 years experience in Nephrology and Dialysis
INPUT-OUTPUT : High levels of potassium can occur due to increased intake of high potassium containing foods, nutritional supplements etc 2. Changes in acid base bal ... Read More
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A 47-year-old member asked:
Dr. Mark Rasak
32 years experience in Cardiology
Vagal nerve overstim: Most causes of hypotn and low heart rate come from overstimulation of the vagus nerve . This causes slow heart rates and vasodilation with drop in blo ... Read More
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A 44-year-old member asked:
Dr. Troy Reyna
43 years experience in Pediatric Surgery
Depends: Low blood pressure or bradycardia can be a simple sign of good health.
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A 48-year-old member asked:
Dr. Robert Vogt Lowell
Specializes in Pediatric Cardiology
Depends: In theory, the harder it is for blood to leave the heart (as when BP is very elevated) the less of it will be pumped out per beat or per minute (decre ... Read More
A 49-year-old member asked:
Dr. Kevin Lingle
14 years experience in Cardiology
Many: Not sure i understand the question, but if you mean rapid worsening of chf, there are many including: ischemia (heart attack), dietary indiscretion, v ... Read More
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A 59-year-old member asked:
Dr. Andrew Kaplan
33 years experience in Cardiology
Abnormal heartbeats: Multiple potential causes: premature beats, tachycardia (rapid heartbeat), bradycardia (slow heartbeat). Each has specific types. The best approach is ... Read More
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A 44-year-old member asked:
Dr. Calvin Weisberger
50 years experience in Cardiology
Palpitations: These are caused by many things. Stress, excitement, irritants both physical and chemical, pressure like a hiatal hernia or esophageal push or pull, a ... Read More
A 41-year-old member asked:
Dr. Michael Fenster
30 years experience in Cardiology
Variable: These can vary tremendously from person to person. The symptoms can include fatigue, weakness, decreased exercise tolerance, shortness of breath, pulm ... Read More
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4 thanks
A 33-year-old member asked:
Dr. Francis Uricchio
37 years experience in Cardiology
Numerous: Cardiac output is determined by the product of heart rate and a stroke volume (the amount of blood ejected with each heartbeat). Stroke volume is aff ... Read More
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2 thanks
A 36-year-old member asked:
Dr. Louis Grenzer
54 years experience in Cardiology
Premature or normal: The heart rate is faster in the new born so that under 100 is usually considered to be bradycardia although that would be normal in an adult. Prematur ... Read More
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A 30-year-old member asked:
Dr. Videh Mahajan
24 years experience in Internal Medicine
Calcium: Hyperparathyroidism, malignancy, excess vit d intake.
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1 thank
A 48-year-old member asked:
Dr. Ray Holt
Dr. Ray Holt answered
27 years experience in Family Medicine
Lots of reasons: Genetics, a diet high in calories/fat, sedentary lifestyle, underactive thyroid, and diabetes are some.
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19 thanks
A 48-year-old member asked:
Dr. Christopher White
42 years experience in Cardiology
Diet & liver metab: The two sources of cholesterol are dietary (you eat it) or your liver produces it. Statins are medications to reduce liver production.
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7 thanks
A 56-year-old member asked:
Dr. Rick Koch
Dr. Rick Koch answered
21 years experience in Cardiology
Poor diet, obesity: & genetics & smoking.
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7 thanks
A 49-year-old member asked:
Dr. Adam Newman
28 years experience in Obstetrics and Gynecology
Normal or...: I assume you mean the baby's heart rate. Drops can be normal, but can also represent a problem that may require that you be delivered immediately. Dir ... Read More
A 44-year-old member asked:
Dr. Sergio Schabelman
47 years experience in Cardiology
Not many: Not many and not that important. Most common reason would be aortic insufficiency (leaky aortic valve). Other than that, there are artifacts (errors) ... Read More
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A 54-year-old member asked:
Dr. Gurmukh Singh
48 years experience in Pathology
Cardiac damage: Hypertension, if not treated, leads to myocardial hypertrophy, accelerated atherosclerosis resulting in inadequate blood supply to heart muscle that l ... Read More
1
1 thank

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