Dr. Kenneth Malinow, who practiced internal medicine and psychiatry in Baltimore since 1980, died Saturday at Sinai Hospital of heart disease. He was 42.

Services for Dr. Malinow were held Sunday at the Beth Jacob jTC Congregation, where he was a board member. He also was a member of the Beth Tfiloh Congregation.

Dr. Malinow, who lived on Midfield Road in Pikesville, maintained an office in the Village of Cross Keys.

He was a member of the staffs of Sinai Hospital, the Homewood Hospital Center South, Good Samaritan Hospital and Church Hospital.

Born in Baltimore, he was a graduate of Milford Mill High School, the University of Maryland College Park and the university's medical school.

He is survived by his wife, the former Elaine Hurwitz; two sons, Joshua and Daniel Malinow, both of Pikesville; his mother, Helene Malinow of Randallstown; and two brothers, Dr. Andrew Malinow of Crownsville and Martin Malinow of Los Angeles.