 A Czech woman went to Heydrich's aid and flagged down a delivery van. Heydrich was first placed in the driver's cab, but complained that the van's movement was causing him pain. He was placed in the back of the van, on his stomach, and taken to the emergency room at Na Bulovce Hospital. Heydrich had suffered severe injuries to his left side, with major damage to his diaphragm, spleen, and lung. He had also fractured a rib. A physician, Slanina, packed the chest wound, while another doctor, Walter Diek, tried unsuccessfully to remove the splinters. He immediately decided to operate. This was carried out by Diek, Slanina, and Hohlbaum. Heydrich was given several blood transfusions. A splenectomy was performed. The chest wound, left lung, and diaphragm were all debrided and the wounds closed. Himmler ordered another physician, Karl Gebhardt, to fly to Prague to assume care. Despite a fever, Heydrich's recovery appeared to progress well. Theodor Morell, Hitler's personal physician, suggested the use of sulfonamide (a new antibacterial drug), but Gebhardt, thinking Heydrich would recover, refused. On 2 June, during a visit by Himmler, Heydrich reconciled himself to his fate by reciting a part of one of his father's operas:
