[1] After completing a house job at the Civil Hospital for three years he proceeded to the United Kingdom for further education.

He was initially associated with the Mayo Clinic there and eventually became co-director of the Cardiac Catheterization Laboratory.

[3] On the clinical and teaching front Rahimtoola remained an Associate Professor of Medicine at the University of Illinois and Chief of Cardiology, at Cook County Hospital from 1969 to 1972.

[7] Mayo Clinic's all-time top fifty practitioners list includes Rahimtoola.

[8] Rahimtoola has been at the forefront of numerous awards and citations principally from his research and teaching career.

[10] And from the AHA Los Angeles Affiliate the Award of Merit and Special Recognition for Outstanding Contributions to the study and practice of Cardiology.

[18] In 2016 Rahimtoola was conferred the 'Distinguished Fellowship' Award at the World Congress of International Academy of Cardiology in Boston.

[21] His brother, Professor Shamsuddin Rahimtoola remained a prominent Physician based out of Karachi.

[22] Rahimtoola passed away on 9 December 2018 aged eighty seven at his residence in Palos Verdes Estates, California.