29 results
Oroya Fever
Hematologic disease caused by Bartonella bacilliformis
Restricted to the Andes highlands of Peru & Ecuador
B. bacilliformis:
Oroya Fever Hematologic ... Nodular → Mular DIAGNOSIS ... phase: Peripheral smear ... ​• Chronic phase ... #diagnosis #management
Overall Approach to Anemia - Differential Diagnosis Algorithm

Blood Loss
 • Acute Bleed - Normocytic / Normochromic
- Differential Diagnosis ... Normochromic RBCs on Smear ... • Chronic Bleed ... Spherocytes on Smear ... Algorithm #Causes #Hematology
Approach to Thrombocytosis - Elevated Platelet Count - Differential Diagnosis Algorithm

Peripheral Smear concerning for malignancy?
- Differential Diagnosis ... Peripheral Smear ... → Refer to hematology ... • Infections: Chronic ... #Differential #Diagnosis
Leukemias Overview: ALL, CML, AML, APML, CLL

Acute leukemias > 20% blasts in the peripheral blood smear
peripheral blood smear ... Neutrophils • Immature/Myeloblasts ... • Peripheral smear ... #Leukemia #Hematology ... #Oncology #Diagnosis
Fever of Unknown Origin (FUO) - Further Workup

 • CNS symptoms? Get an LP and imaging
Fever of Unknown ... Refer to your ‘Fever ... Thick and thin smear ... values supporting hematologic ... UnknownOrigin #workup #diagnosis
Borrelia recurrentis on Peripheral Blood Smear
23M Somali refugee recently arrived w/severe abd pain, confusion and fever
Peripheral Blood Smear ... LBRF can be diagnosed ... with a blood smear ... can be used for diagnosis ... #recurrentis #BloodSmear
Adult-Onset Still's Disease (AOSD)
Rare inflammatory disorder of unknown etiology, difficult to diagnose because of heterogenous presentation.
: High spiking fever ... Systemic AOSD: high fever ... immunity (30%) Chronic ... arthritis and chronic ... Disease #AOSD #rheumatology
Chronic Lymphocytic Leukemia (CLL) - Summary
Overview: 
 • Most common leukemia in adults
 • Disorder of
Chronic Lymphocytic ... • Peripheral smear ... ) B symptoms → fevers ... Leukemia #oncology #hematology ... #hemeonc #diagnosis
Erythemas Summarized
Erythema ab igne
 • A dermatosis that results from repeated exposure to heat (fires, heating
known as rat bite fever ... or Haverhill fever ... association is that smear ... #differential #diagnosis ... #dermatology #compared
Skin Conditions Associated with Joint Pain

Rash
	• Human parvovirus B19 infection

Malar rash
	• SLE
	• Human parvovirus B19 infection
	•
Dermatomyositis Erythema chronicum ... • Rheumatic fever ... Sarcoidosis #dermatology ... #differential #diagnosis ... #rheumatology