toxidrome
drug screens
100

patient presents with:

-normal temperature

-increased HR

-HTN

-increased respiratory rate

-dilated pupils

-diaphoresis

-has goose flesh on exam


bonus: what is the treatment

Opioid withdraw toxidrome/intoxication


bonus: supportive care (possible methadone or suboxone)


learning point:

gooseflesh is unique to this toxidrome

100

name the two ways you can test for drugs


bonus: which is the best/why

blood or urine


bonus: urine, because drugs can be bound to proteins in the blood causing false results and also in the urine you can detect drugs that were used more remotely in the past.


200

patient presents with:

-fever

-tachycardia

-HTN

-initially normal respiratory rate but becomes tachypneic

-dilated pupils

-diaphoresis


bonus: what is the treatment

stimulant toxidrome


Bonus: benzos and possible antipsychotic (haldol)

200

what are the two major benefits of a urine drug screen

1.) can confirm admitted substance use

2.) can see if there were any other ingestions 

300

patient presents with:

-fever

-tachycardia

-HTN

-normal respiratory rate

-dilated pupils

-NO diaphoresis

-also is experiencing hallucinations and you bladder scan them and they feel like they need to pee but can't


bonus: what is the treatment

Anticholinergic toxidrome


Bonus: benzodiazepine 


learning point:

biggest difference between anticholinergic toxidrome and stimulant toxidrome is the lack of diaphoresis with anticholinergic toxicity

300

What is the specific compound that a drug screen tests for to detect cannabinoids?


bonus: what can it not detect because of this

Delta THC 9


Bonus: cannot detect altered forms such as spice or K2

400

patient presents with:

-normal temperature

-initially normal BP that starts to drop

-HR that is initially normal but starts to become bradycardic

-CONSTRICTED pupils

-no diaphoresis


bonus: what is the treatment

acute opioid intoxication toxidrome


Bonus:

Rx - naloxone (narcan)

400

what things are not typically detected by a drug screen?

metals

lithium

theophylline

ethylene glycol (evaporates too quickly)

ANTIDIABETIC DRUGS

BACLOFEN

also a simple urine drug screen will generally not pick up synthetic drugs like K2, spice, or fentanyl

500

patient presents with:

-normal temperature

-normal heart rate

-normal blood pressure

-respiratory rate that is normal but then starts becoming bradypneic

-pupils appear normal

-altered mental status

-you administer treatment and they start seizing


bonus: what is the treatment

sedative hypnotic (specifically benzodiazepine) overdose/toxidrome

Bonus: flumazenil

learning point:

if you give flumazenil to a benzodiazepine naive patient you can cause them to seize and it will be refractory to seizure meds as the treatment for seizures is benzodiazepines

500

what are the general classifications of substances a basic urine drug screen is able to test for?

A- amphetamines

B- benzodiazepines/barbiturates

C- cannabadiols

O- opiates

P- PCP

T- TCA