Recommendations for filter settings and sensitivity for various physiologic parameters Channela Low-frequency filter (Hz) Time constant (s) High-frequency filter (Hz) Sensitivity EEG 0.3 0.4 35 50 (µV/cm) EOG 0.3 0.4…
Fig. 19.1 Normal sinus rhythm with sinus arrhythmia Cardiac Arrhythmias Arrhythmias are due to disturbances of impulse formation, impulse conduction, or a combination of the two. Arrhythmias can be separated into…
Parameters Wakefulness NREM sleep REM sleep Respiratory rate Normal Decreases Variable, apnea may occur Minute ventilation Normal Decreases Decreases further Alveolar ventilation Normal Decreases Decreases further PaCO2 Normal Increases slightly…
Fig. 39.1 a Showing schematically the principal relationships between cerebellum and other components of the motor system. PMC Premotor cortex, SMA Supplementary motor area, MC Motor cortex, SC Somesthetic cortex, SPL…
Fig. 44.1 Interictal, primarily generalized epileptiform discharges (4- to 5-Hz spike-and-wave and multiple spike-and-wave discharges) seen synchronously and symmetrically with frontal dominance of amplitude in a patient with generalized tonic-clonic seizures….
Fig. 20.1 This figure obtained from Cleveland Clinic Journal of Medicine with permission 2003 Oct; 70(10):866, 868, 871–873 The flow-volume loop is another aspect of data generated from spirometry characterized by…
Fig. 36.1 Different types of oral appliances used for the treatment of obstructive sleep apnea syndrome. a AveoTSD (Innovative Health Technologies, New Zealand), b Somnomed (Denton, TX), c PM positioner (Tonawanda…
Classification Pharmacological agent (brand name(s)) Amphetamine derivatives Amphetamine mixed salt (Adderall), dextroamphetamine (Dexedrine, Dextroamphet, Dextrostat, ProCentra), methamphetamine (Desoxyn), lisdexamfetamine (Vyvanse), benzphetamine (Didrex), methylphenidate (Ritalin, Concerta, Metadate, Methylin, Quillivant) DA precursor…
Fig. 34.1 Arterial oxyhemoglobin saturation (SaO2), minute ventilation, CPAP mask pressure, and apneic events recorded with an oximeter and a prototype of an intelligent CPAP machine in a patient with sleep…
Somnambulism Sleep terrors (A) Ambulation occurs during sleep (B) Persistence of sleep, an altered state of consciousness or impaired judgment during ambulation demonstrated by at least one of the following:…
