Sadka moved to Australia in 1948 as resident medical officer at the Royal Perth Hospital (RPH). She worked with ophthalmologist Ida Mann on a study of blindness among Indigenous Australians in the Kimberley.[1]
Postgraduate studies in neurology took her to London and Boston, where she worked at Massachusetts General Hospital with Raymond Adams, Miller Fisher and Robert Schwab.[2]
Returning to Western Australia in 1959, she was appointed consultant neurologist at RPH.[2] In the same year, she introduced the use of electroencephalography (EEG) to Western Australia.[3] She also opened the Stroke Rehabilitation Unit in the Shenton Park Annex of RPH.[1]
Sadka was appointed an Officer of the Order of Australia in the 1988 Australia Day Honours for "service to medicine, particularly in the field of neurology".[4]
Sadka retired in 1988.[1] She died on 28 January 2001.