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Polysomnography (PSG)

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Polysomnography (PSG)

To detect obstructive sleep apnea (OSA), these two type of sleep studies can be conducted: Polysomnography (PSG) and Polygraphy (PG).

Polysomnography:This overnight sleep study, conducted in a Sleep Lab or Hospital, is the gold standard for diagnosing obstructive sleep apnea (OSA). Polysomnography, also called a sleep study, is a comprehensive test used to diagnose sleep disorders. Polysomnography records your brain waves, the oxygen level in your blood, heart rate and breathing, as well as eye and leg movements during the study,According to record above parameters could find the patient’s sleeping problems, and diagnose type of apnea, severity of apnea, analyze the effectiveness of sleep disorders therapy, PSG is the " gold standard " for diagnosis of OSA and other forms of sleep-disordered breathing. PSG is an painless, safe diagnostic device.

The components of a polysomnogram include the following:

● Electroencephalogram (EEG)

● Electromyography (EMG)

● Electro-occulogram (EOG), to monitor for rapid eye movements

● Electrocardiogram (ECG), to monitor cardiac function

● Oral and nasal airflow pressure and temperature (using nasal pressure transducer and thermistor)

● Chest and abdomen movement (i.e. - respiratory effort, measured using chest and abdominal belts)

● Oxygen saturation (using finger probe digital pulse oximetry)

● Transcutaneous CO2 (TcCO2)

During PSG, characteristic EEG, EMG, and EOG amplitudes and waveforms are scored in 30 second epochs.Ventmed brand's PSG is complies with the latest version of AASM standard, use AI technical analysis for the reports, also could generate multiple reports, effectiveness of sleep disorders therapy.

    Frequently Asked Questions
    What is the difference between CPAP and BiPAP in the DF Series?
    CPAP provides a constant pressure throughout inhalation and exhalation, while BiPAP offers two pressure levels (higher for inhalation, lower for exhalation) for more comfort, especially for COPD or high-pressure patients.
    Who should use the DF Series CPAP/BiPAP device?
    It is suitable for patients with obstructive sleep apnea (OSA), CSA, MSA snoring, COPD, and obesity hypoventilation syndrome, as prescribed by a doctor.
    Can I use this device at home without hospital supervision?
    Yes, our sleep monitor model SF-A9 and SF-A10S polygraphy device is for home sleep test, and the CPAP machine also can be used for home care respiratory therapy.
    Does the device support mobile app monitoring?
    Yes, the new CPAP/BiPAP model DF series have WiFi/GPRS connectivity, allowing users and doctors to track therapy data via a mobile APP and cloud.