A patient monitor is a medical device used to continuously or intermittently monitor various vital signs and parameters of patients in healthcare settings. These monitors are commonly found in hospitals, clinics, and ambulances, and they play a crucial role in patient care by providing real-time data to healthcare providers. Patient monitors typically measure and display vital signs such as: Heart rate (pulse) Blood pressure (systolic and diastolic) Oxygen saturation (SpO2) Respiratory rate Temperature Electrocardiogram (ECG or EKG) for monitoring heart activity