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Causes of Nausea and Vomiting - Differential Diagnosis Framework

Chemoreceptor Trigger Zone/Area Postrema:
 • Drugs:
	- Chemo agents
	-
Causes of Nausea ... and Vomiting - Differential ... Drugs: - Chemo agents ... Cardiovascular agents ... Vestibular neuritis GI
Schematic representation of the major sources of ammonia production and its excretory pathway (GI = gastrointestinal,
excretory pathway (GI ... ileal conduit - Medications ... - Chemotherapy agents ... AML - Large GI ... Hyperammonemia #Differential
Differential Diagnosis for Hemolytic Anemia
Intrinsic Causes:
 • Enzyme deficiencies ex. G6PD, pyruvate kinase 
 • Hemoglobinopathies
Differential Diagnosis ... Malaria • Oxygen agents ... nitrates • Other agents ... Hemolytic #Anemia #Differential ... #classification
Medications associated with neuroleptic malignant syndrome

First-generation and second-generation antipsychotics are dopamine receptor antagonists, which produce a
Medications associated ... single dose of an agent ... with the same agent ... #Diagnosis #Differential ... #Drugs #Causes
Hypomagnesemia - Etiologies by Mechanism

Decreased GI Uptake 
 - Poor dietary intake (particularly common in alcoholics)
Mechanism Decreased GI ... Renal Loses - Medications ... Hypomagnesemia #Differential ... Magnesium #Table #Classification ... #Causes #Workup
Classification, Differential Diagnosis, and Features of Hyponatremia According to Volume Status 

Hypervolemic hypernatremia 
 - CHF
Classification, ... Differential Diagnosis ... deficit - Salt-losing ... #Differential # ... Diagnosis #Table #Causes
Shock Classification and Differential Diagnosis
SHOCK
 • MAP <65, SBP <90, drop in SBP > 40
 •
Shock Classification ... and Differential ... Failure, Toxins/Medications ... • Blood Loss, GI ... #Differential #
Shock - Differential Diagnosis by Classification

Hypovolemic (Intravascular volume depletion)
 - Hemorrhagic 
   • Trauma
Shock - Differential ... Diagnosis by Classification ... Trauma • GI ... exacerbation (any cause ... #Diagnosis #Classification
Shock - Differential Diagnosis by Classification
Reflex Syncope 
 - Vasovagal syncope
   • Prolonged standing
Shock - Differential ... Diagnosis by Classification ... depletion - Medication ... #Syncope #Differential ... #Table #Causes
Stevens Johnson Syndrome and Toxic Epidermal Necrolysis - Causative Medications 
and Level of Suspicion 

High Risk:
Antigout:
Necrolysis - Causative Medications ... sulfadiazine, sulfadoxine GI ... , piroxicam #Differential ... #Medications #DrugInduced ... #Causes #SJSTEN
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