A pulse oximeter is a small, non-invasive medical device designed to measure blood oxygen saturation levels (SpO₂) and pulse rate quickly and accurately. It is widely used by healthcare professionals, athletes, and individuals with respiratory or cardiovascular conditions to monitor oxygen levels and heart rate in real time.
The device works by clipping onto a fingertip, emitting light through the skin, and analyzing how much light is absorbed by oxygenated and deoxygenated blood. The results are displayed on a digital screen within seconds, allowing for quick assessment of a person’s oxygen levels. Some advanced models feature alarms, adjustable display brightness, and Bluetooth connectivity for data tracking.
Pulse oximeters are essential in hospitals, clinics, and home healthcare settings, particularly for patients with conditions such as asthma, chronic obstructive pulmonary disease (COPD), pneumonia, or COVID-19. They are also used by athletes and pilots to monitor oxygen levels at high altitudes.
Applications of a Pulse Oximeter
- Respiratory Monitoring – Helps manage conditions like asthma, COPD, pneumonia, and COVID-19.
- Cardiovascular Health Assessment – Assists in tracking heart rate and oxygen saturation levels.
- Hospital and Clinical Use – Used by healthcare professionals for quick patient evaluation.
- Home Health Monitoring – Allows individuals to track their oxygen levels for personal health management.
- Sports and High-Altitude Activities – Monitors oxygen levels for athletes, mountaineers, and pilots.
- Emergency and Critical Care – Provides fast, reliable readings in emergency medical situations.
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