Ardeshir "Bud" Behram Irani Jr., 84, a retired Washington area obstetrician and gynecologist who was former chief of staff at Columbia Hospital for Women, died of heart disease and kidney failure Oct. 31 at a hospital in Sarasota, Fla. He had lived in Nokomis, Fla., for about a year.

Dr. Irani, a former Oakton and Loudoun County resident, was a native of Washington, where his parents were osteopathic doctors. He graduated from Central High School and George Washington University. He was a 1944 graduate of the GWU medical school.

During World War II, he served as a Navy physician in England and treated troops wounded in the Normandy invasion. He retired from the Navy reserve as a lieutenant commander in 1959.

After the war, he served his internship and his gynecology residency at Garfield Hospital. He briefly worked for Group Health Association in Washington before opening private offices in Washington and Rockville. He was on the staff of Columbia Hospital for Women and an obstetrical gynecologic consultant to the Army at Fort Belvoir.

He retired from his medical practice in 1979 and devoted more time to the Fairfax Hunt, which he joined in 1964. He ran horses in the club's point-to-point races. His other interests included travel, golf, tennis and power boating.

His marriage to Gwendolen Shethar Irani ended in divorce.

Survivors include his wife of 42 years, Rosemary Irani Bonaker of Nokomis; five children from his first marriage, Sands Irani of Bethesda, Geoffrey Irani of Columbia, Terence Irani of Rockville, Gwendolen Underwood of Princess Anne, Md., and Grant Irani of Phoenix, Md.; two stepchildren, Gary Mantello of Orange, Va., and Mary Mantello of Reston; a sister; and 10 grandchildren.