High Yield Psych-MSE changes, drug abuse, MR, child Flashcards
Elderly woman w/ AMS and sundowning. Explain her lab workup; which meds to avoid
UA, glucose, Na, blood cultures, B12, RPR; benadryl, opiates, benzos
Alzheimer: On MMSE, prompting does not increase ____. Due to global brain path with ___ plaques and ___ tangles
recall; ßamyloid; tau
Frontotemporal dementia: tx w/ ___ for severe disinhibition
olanzepine
Lewy Body Dementia: ____ inclusions in neocortex; give ______ [class of drugs]
∂synuclien; AChE inhibitors
Creutzfeldt Jacob [myoclonus, startle response, seizures and recent corneal transplant]: EEG findings
triphasic bursts
Normal pressure hydrocephalus: VP shunt improves cognitive fxn in ____ of patients
50-66%
Alcoholism: seizures can occur ____ since last drink
12-24hrs
Alcoholism: tactile hallucinations can occur _____, usually when DTs start
48-72hrs since last drink
Alcohol is metabolized by _____ kinetics.
25mg/hr [if pt BAL 0.225 mg/ml, will take 9 hours to get rid of]
Alcoholism w/dwl: ___ can mask the signs of autonomic hyperactivity, except for ____, which is used to dose benzos during withdrawal
ßblockers; hyperreflexia
Alcoholism: best initial tx current tonic/clonic seizures from w/dwl; tx if liver disease
diazepam/clordiazepoxide (long half lives); lorazepam, oxazepam (glucuronidated prior to elimination)
Most specific test for ETOH consumption in the past 10 days?
Carbohydrate-deficient transferrin. Less specific- elevated GGT and AST more than twice ALT
Abuse/Wdwl: diagnose pt w/ confusion, ataxia and constricted pupils; tx
Wernicke Encephalopathy (thiamine def); give thiamine first then glucose
Abuse/Wdwl diagnosis: apathy, anter/retrograde amnesia and confabulation, can see MB atrophy on MRI
Korsakoff’s syndrome (irreversible damage to mamillary bodies)
Diagnose: ER pt is in a non- responsive state. His BP is 100/60, HR is 50, RR is 6. He has multiple track marks on his arm; what if pupils dilated?
opioid OD; same diagnosis (hypoxia secondary to respiratory depression can cause mydrasis)
Opioid wdwl sxs
joint/muscle pain, photophobia, goodsebumps, diarrhea, tachycardia, HTN, GI cramps, dilated pupils, anxiety/depression
Opioid OD: tx
IM/IV naloxone [full mu-opioid antagonist]
Opioid wdwl tx short term; long-term dependence
Clonidine for autonomic sxs; methadone, buprenorphrine or naltrexone
Diagnose drug/wdwl: Pt presents with horizontal nystagmus, dilated pupils, ataxia and acute psychosis
PCP
Diagnose drug/wdwl: Pt presents s/p MVC with injected conjunctiva, sedation and is asking for Doritos (cool ranch plz)
MJ
Diagnose drug/wdwl: Pt presents with SI, hypersomnia, depression and anergia
cocaine/amphetamine wdwl
Diagnose drug/wdwl: Pt presents with dilated pupils, seizure, tachycardia and HTN
cocaine/amphetamine
Cocaine/amphetamine intoxication w/ HTN and tachycardia, tx with ____
CCBs [ßblockers contraindicated]
Diagnose: 11yo boy evaluated for developmental delay, poor school and social performance. IQ 50. He has a macrocephaly,
long face and macroorchidism
Fragile X [CGG repeats w/ anticipation; Cx = Seizures, MVP, dilation of the aorta, tremors, ataxia, ADHD-like behavior.
MC cause of INHERITED MR]
MR: IQ of ___ is mild.
55-70
MR: IQ of ___ is moderate.
40-55