10 results
Causes of Anemia by Mean Corpuscular Volume (MCV) - Differential Diagnosis Algorithm
Low Mean Corpuscular Volume (<80
Causes of Anemia ... Volume (MCV) - Differential ... Infection) High ... #Anemia #MCV #Classification ... #Hematology
Erythemas Summarized
Erythema ab igne
 • A dermatosis that results from repeated exposure to heat (fires, heating
centrifugum • A chronic ... Haverhill fever caused ... PrathitKulkarni #Erythemas #comparison ... #table #differential ... #diagnosis #dermatology
Approach to Elevated Tryptase - Differential Diagnosis Framework

The DDx of elevated tryptase can be broken down
Elevated Tryptase - Differential ... Framework The DDx ... 2nd pass = Chronic ... • Parasitic infections ... • Chronic Urticaria
Clinical Classification of Pulmonary Hypertension

1. Pulmonary arterial hypertension from pulmonary vasculopathy
Idiopathic pulmonary arterial hypertension
Heritable gene mutations
Clinical Classification ... diseases - HIV infection ... multifactorial mechanisms Hematologic ... #Diagnosis #Differential ... #Causes
Conditions Associated With Hyperferritinemia 
DDx of extreme hyperferritinemia >10,000
Not just HLH - in fact, most common
Hyperferritinemia DDx ... fact, most common causes ... Chronic transfusions ... - Malignancy—Hematologic ... Hyperferritinemia #differential
Cold Urticaria
Prevalence - 0.05% in the population
Disease onset - Mostly 2nd to 4th decades of life
Causes
decades of life Causes ... Infections 2. ... Atopic diseases, Chronic ... spontaneous urticaria, Chronic ... #comparison #table
Nontuberculous Mycobacteria (NTM) Infections 

Mycobacterial species other than those belonging to the Mycobacterium tuberculosis complex and
status NTM Cause ... encounters due to NTM: Chronic ... Growers (Runyon Classification ... Hematologic malignancy ... #differential #
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
Eosinophilia, asthma, chronic ... tract, and often causes ... to exclude are infections ... CTD) • ANCA (Dx ... #classification
Myelodysplastic Syndromes (MDS)

What?
Myelodysplastic syndromes are a group of disorders caused by blood cells that are poorly
Macrocytic anemia DDX ... Marrow Failure • Chronic ... • Parvovirus infection ... blood count with differential ... Syndromes #diagnosis #hematology
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
Vasculitis - Differential ... Eosinophilia, asthma, chronic ... tract, and often causes ... drug exposure or Dx ... #Diagnosis #Rheumatology