Oxygen pulse
Oxygen Pulse
Oxygen pulse (pronunciation: /ˈɒksɪdʒən pʌls/) is a medical term that refers to the amount of oxygen consumed per heartbeat. It is a measure of the efficiency of oxygen utilization by the body, particularly the cardiovascular system and the respiratory system.
Etymology
The term "oxygen pulse" is derived from the English words "oxygen", referring to the chemical element of atomic number 8, and "pulse", which in medical terms refers to the rhythmic contraction and expansion of the arteries with each beat of the heart.
Calculation
Oxygen pulse is calculated by dividing the volume of oxygen consumed (VO2) during a given period by the heart rate (HR) during the same period. The formula is as follows:
Oxygen Pulse = VO2 / HR
Related Terms
- Oxygen Saturation: The fraction of oxygen-saturated hemoglobin relative to total hemoglobin in the blood.
- Heart Rate: The speed of the heartbeat measured by the number of contractions (beats) of the heart per minute (bpm).
- Cardiac Output: The amount of blood the heart pumps through the circulatory system in a minute.
- Respiratory Rate: The number of breaths a person takes per minute.
Clinical Significance
Oxygen pulse is often used in clinical settings to evaluate the functional capacity of the heart and lungs. It can be used to assess the severity of conditions such as heart failure and chronic obstructive pulmonary disease (COPD). A lower than normal oxygen pulse may indicate a problem with the body's ability to deliver oxygen to the tissues.
External links
- Medical encyclopedia article on Oxygen pulse
- Wikipedia's article - Oxygen pulse
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