67 results
Uveitis - Definition, Causes and SUN Classification

Inflammation of the iris, ciliary body, vitreous, retina and/or choroid
Incidence
and SUN Classification ... Inflammatory : HLA ... Bartonella SUN Classification ... #SUN #Classification ... #Differential #Diagnosis
Hypokalemia - Differential Diagnosis
Poor Intake 
 - Starvation
 - Anorexia
GI Losses 
 - Vomiting / NG
- Differential Diagnosis ... NG drainage - Diarrhea ... #Low #Potassium ... #Table #Classification ... #Causes
Acute Diarrhea - Differential Diagnosis Algorithm
 • Ischemic: Small Bowel vs Large Bowel
 • Infectious: Diarrhea-Predominant
Differential Diagnosis ... vs Nausea/Vomiting-Predominant ... Inflammatory: Bloody ... vs Non-Bloody ... #Differential #Diagnosis
Shock - Differential Diagnosis by Classification

Hypovolemic (Intravascular volume depletion)
 - Hemorrhagic 
   • Trauma
- Differential Diagnosis ... by Classification ... • Severe diarrhea ... exacerbation (any cause ... obstruction to blood
Hypokalemia Evaluation Algorithm

Before evaluating hypokalemia, life threatening complications such as arrhythmias and paralysis should be looked
treated with IV potassium ... Laxative use • Diarrhea ... losses: • High Blood ... • Low/Normal Blood ... #Hypokalemia #diagnosis
Classification, Differential Diagnosis, and Features of Hyponatremia According to Volume Status 

Hypervolemic hypernatremia 
 - CHF
Classification, ... Differential Diagnosis ... Vomiting - Diarrhea ... #Differential #Diagnosis ... #Table #Causes
Algorithm for the Evaluation of Acute Diarrhea (< 7 days)
Are the following present?
   1.
abdominal pain, bloody ... diarrhea, > 6 stools ... Ova and parasite ... Bloody diarrhea, ... algorithm #workup #diagnosis
Stool Cultures - Indications in Diarrhea
Patient Categories to Order Stool Cultures On:
 • Persisting 1 week
Indications in Diarrhea ... Persisting 1 week • Bloody ... illness (diarrhea ... Few infectious causes ... #Indications #diagnosis
Hemophagocytic Lymphohistiocytosis (HLH)
Pathophysiology: Triggering factor (infection,...)→Activation of CD8 T cells (IFN-y) → Excessive activation of macrophages
Phagocytosis of blood ... Auto-amplification loop Diagnosis ... hemophagocytosis = additional diagnostic ... Drugs, Unknown cause ... Lymphohistiocytosis #diagnosis
Hypokalemia - Differential Diagnosis Algorithm
Extra-renal Losses:
 • Normal Acid-Base: Low intake
 • Metabolic acidosis: Gl tract
- Differential Diagnosis ... Gl tract loss (Diarrhea ... #Differential #Diagnosis ... #Algorithm #causes ... #potassium #low