This is a short textbook of internal medicine for juniors. Each chapter begins with the pathophysiologic basis and the important examination methods of the particular group of diseases. This arrangement facilitates the understanding and stimulates the cooperation of the student. Very instructive is the introduction to electrocardiography. Unfortunately, the author has overlooked in many instances the progress ef internal medicine during the last ten years. He does not mention the newer tests of the hepatic functions, the treatment of pneumonia and epidemic meningitis with penicillin, the treatment of exophthalmic goiter with thiouracil and related drugs, the surgical treatment of bronchial carcinoma or other valuable achievements of medicine.