14 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 ... uncharacterized fevers ... Consider BCx, CSF evaluation ... #Peds #EM #Classification ... #Ddxof
Differential Diagnosis and Evaluation of Hyponatremia:
1) Identification of onset (acute vs. chronic)
2) Presence of symptoms (HA,
Differential Diagnosis ... and Evaluation ... , liver, renal disease ... #EM #IM #Nephro ... #Algorithm #Ddxof
Chronic Abdominal Pain Causes - Differential Diagnosis Framework

Many patients with chronic abdominal pain have had prior
Causes - Differential ... evaluations that ... Red Flags: • Fever ... bowel syndrome • Celiac ... #Differential #
Leg Pain - Differential Diagnosis Framework

Bone/Joint Causes of Leg Pain:
 • Fracture
 • Arthritis
 • Gout/pseudogout
Leg Pain - Differential ... Diagnosis Framework ... Neuropathy (DM, Vit B12 ... /swelling - Fever ... #extremity #msk
Vitamin B12 (Cobalamin) Deficiency
Etiology:
 • Vit B12 - aka cobalamin. Present in foods derived from animal
• Common Causes ... GI - glossitis (pain ... related to IBD, celiac ... disease, other ... total body stores Evaluation
Approach to Joint Pain - Arthritis Differential Diagnosis Framework

Inflammatory Versus Noninflammatory Pain
 • Is it inflammatory
- Arthritis Differential ... Diagnosis Framework ... weeks) Can Be Caused ... #Differential # ... Diagnosis #MSK #
Aortic Dissection Pearls
Aortic dissection is caused by a tear in the tunica intima, the innermost layer
dissection is caused ... Evaluation: 1. ... • Aortic valve disease ... Pulse deficit/differential ... Aortic #Dissection #diagnosis
Erythemas Summarized
Erythema ab igne
 • A dermatosis that results from repeated exposure to heat (fires, heating
fires, heating pads ... early localized disease ... acute Parvovirus B19 ... comparison #table #differential ... #diagnosis #dermatology
Acid Base Disorders - Blood Gas Interpretation

Steps for Blood Gas Interpretation: 
1. Acidemia or Alkalemia? 
2.
Diagnosis: Causes ... Hyperventilation (Anxiety, pain ... , fever, hypoxia ... restrictive lung disease ... Interpretation #Diagnosis
Palpitations - Differential Diagnosis Framework

What?
• It is an unpleasant awareness or sensation that the heart is
Palpitations - Differential ... Diagnosis Framework ... Physical exam • 12 ... Electrolyte imbalance • Fever ... Symptoms: • Chest pain