5 results
Differential Diagnosis and Evaluation of Hyponatremia:
1) Identification of onset (acute vs. chronic)
2) Presence of symptoms (HA,
and Evaluation ... symptoms (HA, nausea ... , liver, renal disease ... #EM #IM #Nephro ... Differential #Algorithm #Ddxof
Chronic Abdominal Pain Causes - Differential Diagnosis Framework

Many patients with chronic abdominal pain have had prior
Diagnosis Framework ... have had prior evaluations ... did not yield a diagnosis ... /AMI • PUD • ... poisoning • Celiac
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 ... as 5-10% bacteremic ... #Peds #EM #Classification ... SeriousBacterialIllness #Ddxof
Vitamin B12 (Cobalamin) Deficiency
Etiology:
 • Vit B12 - aka cobalamin. Present in foods derived from animal
• Common Causes ... related to IBD, celiac ... disease, other ... total body stores Evaluation ... , can consider IM
Bladder outlet obstruction (BOO)

Functional obstruction may be caused by detrusor-sphincter dyssynergia (DSD), either at the level
obstruction may be caused ... associated with pain ... also often used, as ... stricture disease ... scenario, or when a diagnosis