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Signs and Symptoms of Toxidromes

Sympathomimetic / GABAergic withdrawal 
Cholinergic 
Anticholinergic 
Opioid withdrawal 
Neuroleptic malignant syndrome 
Serotonin
Toxidromes Sympathomimetic ... Cholinergic Anticholinergic ... Comparison #Table #Anticholinergics ... #Opioids #Sympathomimetics
A toxidrome is a syndrome (set of symptoms) caused by specific medications or toxins.

There are 5
ones to know: - Anticholinergic ... hydromorphone, etc - Sympathomimetic ... Comparison #Table #Anticholinergics ... #Opioids #Sympathomimetics
Toxidromes Compared: Anticholinergic, Cholinergic, Opioid, Sympathomimetic, Sedative-Hypnotic

During your physical exam, look for evidence of some of
Toxidromes Compared: Anticholinergic ... Cholinergic, Opioid, Sympathomimetic ... Anticholinergic, ... cholinergic, opioid, sympathomimetic ... #Opioids #Sympathomimetics
Mydriasis Causes - AAAS Mnemonic
 • Atropine
 • Anticholinergic Toxicity
 • Antidepressants (and Serotonin Syndrome)
 •
• Atropine • Anticholinergic ... Serotonin Syndrome) • Sympathomimetics
Toxidromes
 • Anticholinergic
 • Cholinergic
 • Sympathomimetic
 • Sedative-Hypnotic
 • Opioid

by Dr. Lizzy Hastie @LizzyHastie

#Toxidromes #diagnosis
Toxidromes • Anticholinergic ... Cholinergic • Sympathomimetic
Toxidromes Summary Table
Heart Rate - Respiratory Rate - Blood Pressure - Mental Status - Skin -
Sedative/hypnotic • Sympathomimetic ... • Anticholinergic
Sinus Tachycardia - Differential Diagnosis Framework
Autonomic System:
 • Excess Stimulation: Nicotine, Caffeine, Sympathomimetics, Anticholinergics
 • Withdrawal:
Nicotine, Caffeine, Sympathomimetics ... , Anticholinergics
The Hot and Altered Patient in the ED - Differential Diagnosis Framework
 • Heat Stroke
 •
Serotonin Syndrome • Sympathomimetic ... Salicylate Overdose • Anticholinergic
Causes of Hyperpyrexia (Temp > 106.7° F) - Differential Diagnosis
 • Heat Stroke
 • Drug-induced: Amphetamines,
Ecstasy, Lithium, Anticholinergics ... , Sympathomimetics
Mydriasis and Miosis - Differential Diagnosis Framework

Causes of Mydriasis:
Dilated pupils (mydriasis) more than 7mm
 • Unilateral
Antipsychotic medications, AntichoIinergic ... - Others: Anticholinergics ... , Sympathomimetics