25 results
Borrelia recurrentis on Peripheral Blood Smear
23M Somali refugee recently arrived w/severe abd pain, confusion and fever
Peripheral Blood Smear ... the body louse, causes ... sensitivity of blood smear ... Infectious Diseases ... #recurrentis #BloodSmear
Erythemas Summarized
Erythema ab igne
 • A dermatosis that results from repeated exposure to heat (fires, heating
or Haverhill fever ... early localized disease ... called "Bazin's disease ... so-called fifth disease ... association is that smear
Classification of Diabetes Insipidus

Central or neurogenic diabetes insipidus:
 - Congenital - Structural malformations affecting the hypothalamus
encoding AVP-NPII precursor ... or metastases, Infection ... granulomatous diseases ... uropathy, Metabolic causes ... Classification #Types #Nephrology
Inflammatory Joint Pain - Differential Diagnosis Algorithm 
Monoarticular
 • Gout (Podagra, Tophi)
 • Pseudogout
 • Early
Genitourinary Infection ... • Rheumatic Fever ... • Rheumatic Fever ... Inflammatory #JointPain #MSK ... #Orthopedics #Causes
Causes of Knee Effusions - Differential Diagnosis Framework

Knee Effusion Red Flags:
1. Fever/Chills/Joint pain/Night sweats/Weight loss
	- DDX:
		-
Causes of Knee Effusions ... Fever/Chills/Joint ... Acute rheumatic fever ... Knee #Effusions #causes ... differential #diagnosis #msk
Demyelinating Diseases - Differential Diagnosis
 • Inflammatory: MS, ADEM, NMO, Paraneoplastic, Sjogren's, Polyarteritis nodosa, SLE
 •
Demyelinating Diseases ... Inflammatory: MS ... nodosa, SLE • Infectious ... Differential #Diagnosis #causes ... #neurology
Hemolytic Anemia - Differential Diagnosis Algorithm
Hereditary:
 • Peripheral blood smear + DAT + further History
 •
Peripheral blood smear ... malignancy, autoimmune disease ... Recent travel/Fevers ... , DAT (-) → Infection ... Diagnosis #Algorithm #causes
Causes of Proteinuria - Differential Diagnosis Algorithm
Persistent Proteinuria >150mg/d protein present on repeat testing including overnight
Causes of Proteinuria ... • Exercise • Fever ... HSP • Post-infectious ... Minimal change disease ... #Proteinuria #Nephrology
Leg Pain - Differential Diagnosis Framework

Bone/Joint Causes of Leg Pain:
 • Fracture
 • Arthritis
 • Gout/pseudogout
Legg-Calve-Perthes disease ... Leg Pain: • Infection ... - HIV - Lyme disease ... pain/swelling - Fever ... lower #extremity #msk
Fever After International Travel

Infectious Disease:
• Endemic in either the destination or home region

Viral Syndromes:
Arboviral infections, a
Disease: • Endemic ... , a common cause ... as Ebola virus disease ... - Another cause ... chest film; blood-smear