synchronous diaphragmatic flutter /ˈsɪŋkɹənəs ˌdaɪəfɹæɡˈmætɪk ˈflʌtə/ noun1 •A rare condition characterised by rhythmic involuntary contractions of the diaphragm and other respiratory muscles innervated by cervical nerve roots. formssynchronous diaphragmatic flutters
