1.8.2013 Flashcards
Tests with high positive predictive value have high
Specificity
Semiophysiology
The study of the physiologic basis by which signs are produced
Synonym for delirium
Cerebral insufficiency
Acute confusional state
Other name for metabolic encephalopathy
Metabolic dysrhythmia
Toxic psychosis
Cerebral insufficiency due to fever or poisons
Order of development of disorientation
Time—–>place——–>person
Disorientation to person
Cannot tell his name or who he is
Or
Disorientation to persons close to the pt(happens in Alzheimer’s)
False positives for disorientation to time
Not attentive to date Schizhophrenia Severe depression Dissociative states Ganser syndrome Severely excited maniac pts Sensory deprivation
Ganser syndrome
Gives wrong answers to all questions
Examination of ability to calculate
Serial sevens test
Do not correct errors or help with recollecting
Why mistakes are not corrected in serial sevens test?
To look for perseveration(93,90,83,80…)seen in dementia
Quantification of serial sevens test
Three or more mistakes in first 6 subtractions or inability to continue
False positive serial sevens test
Mental retardation
Illiteracy
Digit test for examining impaired memory
Repeat 6 digits forward or last 4 of six backward
Tests to assess memory
Remember three words said initially during examination
Remember 3 numbers after counting aloud from 1-10
