12 results
Serious Bacterial Illness (SBI):
1) UTI and pyelonephritis
Most common cause of SBI
Accounts for 3-8% of uncharacterized fevers
Female
pyelonephritis Most common cause ... Consider BCx, CSF evaluation ... unformed) PNA diagnosed ... #Peds #EM #Classification ... SeriousBacterialIllness #Ddxof
Causes of Low Back Pain - Differential Diagnosis
Intrinsic Spine: Lumbar strain, Herniated nucleus pulposus, Compression fracture,
Causes of Low Back ... - Differential Diagnosis ... aneurysm; • GI ... Retroperitoneal - renal colic ... #causes #primarycare
Hypokalemia - Differential Diagnosis
Poor Intake 
 - Starvation
 - Anorexia
GI Losses 
 - Vomiting / NG
- Differential Diagnosis ... - Anorexia GI ... #Low #Potassium ... #Table #Classification ... #Causes
Shock - Differential Diagnosis by Classification

Hypovolemic (Intravascular volume depletion)
 - Hemorrhagic 
   • Trauma
- Differential Diagnosis ... by Classification ... Trauma • GI ... exacerbation (any cause ... obstruction to blood flow
Causes of Iron Deficiency - Differential Diagnosis Algorithm
 • Blood loss: GI (cancer, ulcer, IBD), GU
Causes of Iron Deficiency ... - Differential Diagnosis ... • Blood loss: GI ... Pregnancy, Lactation, Low ... of absorption): Celiac
Hypomagnesemia - Etiologies by Mechanism

Decreased GI Uptake 
 - Poor dietary intake (particularly common in alcoholics)
Mechanism Decreased GI ... #Differential #Diagnosis ... #Low #Magnesium ... #Table #Classification ... #Causes #Workup
Chronic Abdominal Pain Causes - Differential Diagnosis Framework

Many patients with chronic abdominal pain have had prior
- Differential Diagnosis ... have had prior evaluations ... bowel syndrome • Celiac ... mesenteric ischemia • GI ... poisoning • Celiac
Shock Overview
A state of tissue hypoxia due to decreased or dysregulated oxygen delivery or extraction, resulting
bleeding out (trauma, GI ... • Hypovolemic: GI ... #diagnosis #management ... #differential #causes ... #classification
Shock Overview
A state of tissue hypoxia due to decreased or dysregulated oxygen delivery or extraction, resulting
bleeding out (trauma, GI ... • Hypovolemic: GI ... #diagnosis #management ... #differential #causes ... #classification
Vitamin B12 (Cobalamin) Deficiency
Etiology:
 • Vit B12 - aka cobalamin. Present in foods derived from animal
• Common Causes ... skin pallor • GI ... related to IBD, celiac ... total body stores Evaluation ... symptoms • P/E - GI