Case Synopsis A 25-year-old woman undergoes spinal anesthesia with a 25-gauge Quincke needle for outpatient hysteroscopy. The following day, she complains of a severe headache. Her headache is worse when she is in the upright position and resolves when she…
Case Synopsis A 48-year-old man underwent right inguinal hernia repair under spinal anesthesia. With the patient in a sitting position, a 24-gauge pencil-point needle was inserted at the L4–L5 level. Spinal medications included 75 mg of 5% lidocaine hydrochloride with…
Case Synopsis A 70-year-old man with a history of valvular heart disease, peripheral vascular disease, and diabetes mellitus is scheduled to undergo a below-the-knee amputation. The patient has been receiving daily anticoagulation with warfarin since his aortic valve replacement 5…