2510 results
Mydriasis and Miosis - Differential Diagnosis Framework

Causes of Mydriasis:
Dilated pupils (mydriasis) more than 7mm
 • Unilateral
Mydriasis and Miosis - Differential ... Ill paralysis (PCA ... MDMA (Ecstacy), TCA ... Mydriasis #Miosis #differential
Drug-Induced Seizures - OTIS-CAMPBELL

O - Organophosphate, oral hypoglycemics, opioid
T - TCA, theophylline
I - Isoniazid, Insulin
S -
hypoglycemics, opioid T - TCA ... Medication #Causes #Differential
Lead AVR on ECG
1. Acute myocardial infarction: ST elevation > 1.5 mm in aVR, indicative of
ST elevation: Differential ... antidepressant (TCA ... ) & TCA-like overdose ... diagnosis #ekg #differential
Causes of Hyperpyrexia (Temp > 106.7° F) - Differential Diagnosis
 • Heat Stroke
 • Drug-induced: Amphetamines,
> 106.7° F) - Differential ... SSRIs, MAOIs, TCAs ... #Hyperpyrexia #Differential
Causes of Constipation - Differential Diagnosis Framework
 • Motility: Diet, IBS-C, Colonic inertia, Pelvic floor disorders,
Constipation - Differential ... Drugs: Opioids, TCAs ... #Constipation #Differential
Approach to Dyspepsia
 • consider organic causes in your differentials
 • rule out red flags symptoms
causes in your differentials ... using the PPI -> TCA
Medications causing Acute Kidney Injury (AKI)
Prerenal:
 • Dehydration: Diuretics
 • Altered intrarenal autoregulation: ACEIs / ARBs,
antihistamines, TCAs ... #pharmacology #differential
Stroke Territory Localization and Blood Vessel Supply
ACA (Anterior Cerebral Artery)
 - Leg weakness/numbness
MCA Superior Divison
 -
Vessel Supply ACA ... weakness/numbness MCA ... arm weak/numb MCA ... - No weakness MCA ... Global Aphasia ICA
Effects of Strokes by Location - Anterior vs Posterior Localization

Anterior Circulation 
 - MCA 
 -
Circulation - MCA ... - ACA - Lenticulostriate ... - AICA - PCA
ABCDEF Mnemonic for Drugs Causing QT Prolongation

A - Anti-Arrhythmics (amiodarone, sotalol, dofetilide)
B - Anti-Biotics (fluoroquinolones, macrolides)
C
Anti-Depressants (citalopram, TCAs ... #Pharmacology #Differential