PULSE OXIMETER

How it Works

Principle	Uses red (660nm) and infrared (940nm) light LEDs shining through tissue (like a fingertip).
Absorption	Oxygenated hemoglobin absorbs more infrared light; deoxygenated hemoglobin absorbs more red light.
Calculation	The device calculates the ratio of oxygenated to total hemoglobin, displaying it as a percentage (SpO2).
SpO2 (Oxygen Saturation)	Percentage of hemoglobin carrying oxygen (normal is typically 95-100%).
Pulse Rate	Beats per minute (BPM).
Fifth Vital Sign	Often used alongside temperature, blood pressure, respiratory rate, and pulse.
Respiratory Issues	Pneumonia, asthma, COPD, lung cancer, sleep apnea.
Cardiovascular Issues	Heart attack, heart failure, congenital heart disease.
Monitoring	During surgery, anesthesia, recovery, or assessing response to oxygen therapy.
Emergency Care	Quickly identifies low blood oxygen (hypoxemia).
Noninvasive & Painless	No needles or blood draws.
Instant Results	Provides immediate data.
Portable	Used in hospitals, ambulances, and homes.

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