Legal Issues in Emergency Psychiatry and Involuntary Commitment I. CASE EXAMPLES A. CASE EXAMPLE 1 A middle-aged man shuffles into the office of the psychiatrist on duty in the emergency…
Confidentiality and Privilege I. CASE EXAMPLES A. CASE EXAMPLE 1 A 27-year-old man appears at a psychiatric hospital’s emergency room looking dirty and disheveled. His communications are impaired by marked…
The purpose of vestibular laboratory testing is to assess the peripheral and central vestibular system in patients with suspected labyrinthine dysfunction. Such information can be used to help establish a…
The term polysomnography (PSG) describes the overnight monitoring during sleep of multiple biologic variables and the evaluation of their relationships within a specific state of alertness. It uses the 10–20…
Following a transient acoustic stimulus, such as a click or a brief tone pip, the ear and parts of the nervous system generate a series of electrical signals with latencies…
Traditionally, death was defined in medicine as the permanent cessation of heartbeat and respiration. When the loss of these functions is not reversed promptly by resuscitative measures, profound and irreversible…
Nerve conduction studies assist in the evaluation of neuromuscular diseases by providing a physiologic assessment of the peripheral nerve, muscle, neuromuscular junction, dorsal root ganglion cell, and anterior horn cell….
Electrodiagnostic methods are well established in the evaluation of the sacral nervous system, which has a critical role in the control of bladder, bowel, and sexual functions. The application of…
Clinical electrophysiology of the visual system provides an important adjunct to the bedside evaluation of patients with neurologic diseases. It provides the only means available for objective assessment of visual…
Despite challenges, electrophysiologic studies can be performed readily in the intensive care unit (ICU) in a sensitive, reliable, and quantifiable manner. They assess nervous system functions that are clinically inaccessible….
