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Factors that affect cardiac output in a healthy patient include heart rate, change in position and certain activity of the nervous system, according to Vascular Concepts. Cardiac output refers to the volume of blood the ... More »

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According to WebMD, cardiac output is greatest during intense exercise and when a person is approximately in his 20s. The more intense the exercise, the more blood the body's muscle demand from the heart and, therefore, ... More »

www.reference.com Health Conditions & Diseases Cardiac Health

Normal urinary output for a child is 1 to 2 ml per hour, according to the Hospital for Sick Children. In older children, the normal output can be up to 30 ml per hour. More »

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People typically hear a thumping sound in the ear that matches the heart rate due to noise coming from the surrounding blood vessels, according to MDhealth. Sound in the ears, such as thumping, rushing, ringing, whistlin... More »

www.reference.com Science Human Anatomy Organs

Factors influencing a person's heart rate include genetics, age, stress levels, medications, general health, exercise frequency and intensity, and a wide range of external conditions, including temperature, according to ... More »

www.reference.com Science Human Anatomy Organs

The medulla oblongata is the part of the brain that controls functions like blood pressure, heart rate, reflexes and vomiting. In essence, it controls all the body's involuntary reflexes. More »

www.reference.com Science Human Anatomy Organs

The heart rate is the number of times the heart beats every minute. The average normal heart rate is 72 beats per minute, though this number depends on factors such as age, weight, fitness level and personal health. More »

www.reference.com Science Human Anatomy Organs