pneumograph मीनिंग इन हिंदी

A pneumograph is often used in conjunction with an electrocardiograph ( ECG ) or photoplethysmograph ( PPG ) in heart rate variability ( HRV ) training.
Biofeedback therapists use pneumograph biofeedback with patients diagnosed with anxiety disorders, asthma, chronic pulmonary obstructive disorder ( COPD ), essential hypertension, panic attacks, and stress.