Thoracic Key

Chapter 2 Routine Clinical Electromyography NERVE CONDUCTION STUDIES There are three types of NCS that are used in clinical practice: motor, sensory, and mixed NCS. The motor fibers are assessed…

Case 17 HISTORY AND PHYSICAL EXAMINATION A 21-year-old woman developed intermittent binocular diplopia, primarily with distant vision. Within a few weeks, the symptoms worsened and she noted droopy eyelids, first…

Case 20 HISTORY AND PHYSICAL EXAMINATION A 32-year-old white woman developed progressive weakness in the legs over 2 months. She noticed gradually increasing difficulty climbing stairs and standing from a…

Case 15 HISTORY AND PHYSICAL EXAMINATION Slowly progressive weakness of right hand grip, with numbness of the right little finger developed in an 82-year-old woman over an 8- to 10-month…

Case 21 HISTORY AND PHYSICAL EXAMINATION A 51-year-old, white, previously healthy woman noted a gradual onset of progressive fatigue and general weakness. At first this was attributed to depression, and…

Case 14 HISTORY AND PHYSICAL EXAMINATION A 45-year-old right-handed woman had a 2-year history of numbness in both hands, worse on the right. The tingling was triggered by writing, holding…

Chapter 3 Specialized Electrodiagnostic Studies LATE RESPONSES Late responses are obtained using special techniques that are not possible with conventional nerve conduction studies. The settings are usually changed to allow…

Case 8 HISTORY AND PHYSICAL EXAMINATION A 36-year-old man underwent mitral valve replacement for rheumatic heart disease. On awakening from general anesthesia, he noted weakness of the right foot and…

Case 25 HISTORY AND PHYSICAL EXAMINATION A 70-year-old woman had a slowly progressive motor weakness, which started 20 years ago. At 50 years of age, she noted weakness of the…

Case 23 HISTORY AND PHYSICAL EXAMINATION Fever, malaise, and sore throat developed in a 55-year-old woman who was otherwise in excellent health. She was treated with antibiotics and analgesics. Six…