18 results
Medications that Can Cause False Positives on Drug Tests

Urine drug screens (UDSs) are simple to use,
Medications that ... What medications ... products • HIV medication ... Sustiva) • Pain medication ... #drug #tests #differential
Differential diagnosis of hyperammonemia

#Hyperammonemia #Ammonia #Drugs #Medications #Differential #Diagnosis #Causes #Table
Differential diagnosis ... Ammonia #Drugs #Medications ... #Differential # ... Diagnosis #Causes #Table
Hyperkalemia - Differential Diagnosis - Impaired Excretion vs Redistribution

Impaired Urinary Excretion 
 - Renal failure
 -
Hyperkalemia - Differential ... Rhabdomyolysis Medications ... #Hyperkalemia #Differential ... #Diagnosis #Table
Common Medications Known to Prolong QTc
Antiarrhythmics - Amiodarone, sotalol, flecainide, quinidine, dronedarone, dofetilide
Vasopressors/inotropes - Epinephrine, norepinephrine,
Common Medications ... #Prolongation #Medications ... #Causes #differential ... #pharmacology #table
Causes of ileitis beyond Crohn’s disease and infections include systemic disorders -spondyloarthropathies, vasculitides, ischemia, and amyloidosis
amyloidosis as well as medications ... See below for table ... #GI #Ileitis #Differential ... #Table
Etiologies of Hypernatremia - Differential Diagnosis
GI losses / Insensible losses
Sodium Overload
Transcellular Movement of Water
Central Diabetes Insipidus
Hypernatremia - Differential ... in kidneys) - Medications ... Hypernatremia #Differential ... #Diagnosis #Table
Shock - Differential Diagnosis by Classification
Reflex Syncope 
 - Vasovagal syncope
   • Prolonged standing
Shock - Differential ... depletion - Medication ... Alcohol blackout - Medication ... #Syncope #Differential ... Classification #Table
Hypomagnesemia - Etiologies by Mechanism

Decreased GI Uptake 
 - Poor dietary intake (particularly common in alcoholics)
Renal Loses - Medications ... Hypomagnesemia #Differential ... Low #Magnesium #Table
Drugs Implicated in Hemolytic Anemia
 • Hapten (Drug binding to RBC membrane): Penicillin, Cephalosporin, Tetracycline, Tolbutamide,
Bloodman #Drugs #medications ... Hemolytic #Anemia #differential ... #pharmacology #table
Causes of Inaccurate Fecal Occult Blood Test Results 

False Positive gFOBT:
Ingestion of nonhuman heme (eg, meat
Test Results False ... anticoagulant medication ... False Positive ... aspirin, NSAlDs, or medication ... FalseNegative #Diagnosis #Differential