A case of the diaphragmatic flutter with an electromyographic study of the respiratory muscles.

A 28-year-old female was complained with dyspnea and involuntary rhythmic movements in her chest and upper abdomen. Diagnosis of the diaphragmatic flutter was established since high frequency intermittent discharges of the respiratory muscles superimposed on her ordinary respiratory activities. The origin of these abnormal discharges may be in the central nervous system and the psychosomatic factor is participating in the development of the diaphragmatic flutter.