Professional Books Authored

Book cover titled "Pulmonary Pearls" by Sain & Heffner, featuring an artistic depiction of lungs in shades of blue.
Cover of a book titled 'Palliative and End-of-Life Pearls' by Helfner Byock, featuring a brown and purple abstract background.
Book cover titled 'Pulmonary Pearls II' by Sain and Heffner, featuring a dark background with a pinkish image of lungs.
Book cover titled 'Safety in Critical Care Medicine.' It features the title 'Critical Care Clinics,' publication date January 2005, Volume 21, Number 1, published by Elsevier Saunders. The cover has a black and maroon background, with a geometric line design and a logo of a tree at the top left corner.
Close-up image of a book cover titled "Critical Care Pearls" by Sahn and Hefner, with a red background and black ink blotches that resemble flowers or abstract shapes.
Book cover titled 'Internal Medicine Pearls, Second Edition' by Hefner & Sahin, featuring a stylized image of a human face.
Cover of a book titled 'Critical Care Pearls' by Sahn and Hefner, second edition, with an orange background and black decorative symbols.
A teal book cover titled 'Pulmonary & Respiratory Therapy Secrets, Second Edition' with a white diagonal banner stating 'QUESTIONS YOU WILL BE ASKED... - on rounds - in the clinic - on oral exams.' Authored by Polly E. Parsons, MD and John E. Heffner, MD.

Professional Books Edited

Cover of a book titled 'Internal Medicine Pearls' by Clay B. Marsh and Ernest L. Mazzaferri, published by Sahm & Heffner.
Cover of a medical textbook titled "Cardiology, Second Edition" with authors' names Blase A. Carabello, MD and Peter C. Gazes, MD at the top, and editors' names Sahn and Heffner at the bottom.
Close-up of a book cover titled 'Respiratory Care Pearls' by authors Frank A. Mazzagatti, Leon C. Lebowitz, Neil W. Schluger, MD, published by Heffner Series Editors.
Close-up of a book cover titled 'Infectious Disease Pearls' by Burke A. Cunha, MD, with a green background and an illustration of a parasitic worm.
Close-up of a book cover titled 'Neurolegy Pearls' by authors Andrew J. Waclawik, MD, Thomas P. Sutula, MD, PhD, with additional text indicating its publication by HEFFNER, Sahn & Series Editors. The background features a grayscale image of a brain MRI scan.
Close-up of a medical textbook or journal showing the title 'Dermatology Pearls' with section headings for adult and pediatric dermatology, a blue and red color theme, and a vertical ruler on the left side.
Close-up of a book cover titled 'Cardiology: People' edited by HEFFER, SAHN & SERIES EDITORS, with a blue-toned abstract textured background.
Book cover titled 'Rheumatology Pearls' by authors Richard M. Silver, M.D., Edwin A. Smith, M.D., and Sahn, Heffner. The cover features a stylized medical illustration in yellow and black.