15 results
Causes of Thrombocytopenia and Platelet Disorders - Differential Diagnosis and Workup
History:
 - Prior platelet count, family
Platelet Disorders - Differential ... Diagnosis and Workup ... procedures - Infection ... K), H. pylori test ... #Workup #hematology
Bronchiectasis - Summary

What?
• Bronchiectasis is derived from the Greek words bronckos meaning airway and ectasis meaning
Most Common Causes ... • Mounier-Kuhn syndrome ... dyskinesia • Young syndrome ... function tests: ... #differential #
Pulmonary Renal Syndromes - OnePager Summary
Autoimmune ANCA vasculitis (AAV): GPA (granulomatous with polyangiitis), EGPA (eosinophilic granulomatosis
mononeuritis multiplex WORKUP ... anti-GBM) Other tests ... confirm DAH, r/o infection ... Goodpasture's cause ... #differential #
Blood Culture-Negative Infective Endocarditis (BCNIE)
Definition: No etiology found after 3 separate blood cultures remain negative for
microbiological techniques Work-up ... but important causes ... antiphospholipid syndrome ... Endocarditis #diagnosis #differential ... #workup #infectiousdiseases
TTP - Laboratory Evaluation for Thrombotic Thrombocytopenic Purpura

Activity of von Willebrand factor-cleaving protease activity - A
value is low, tests ... WBC count and differential ... leukocytosis with a left shift ... ThromboticThrombocytopenicPurpura #Diagnosis #Workup ... #Hematology
Fever After International Travel

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

Viral Syndromes:
Arboviral infections, a
region Viral Syndromes ... ; dengue shock syndrome ... capillary leak syndrome ... Fever #Travel #Differential ... #Diagnosis #InfectiousDiseases
Myelodysplastic Syndromes (MDS)

What?
Myelodysplastic syndromes are a group of disorders caused by blood cells that are poorly
formed or don’t work ... petechiae) • Frequent infections ... • Parvovirus infection ... Workup: • Complete ... blood count with differential
Nontuberculous Mycobacteria (NTM) Infections 

Mycobacterial species other than those belonging to the Mycobacterium tuberculosis complex and
status NTM Cause ... Lady Windermere Syndrome ... : • Syndrome of ... #differential # ... diagnosis #infectiousdiseases
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
Vasculitides - Differential ... tract, and often causes ... to exclude are infections ... retinopathy Lab Tests ... #diagnosis #rheumatology
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
Vasculitis - Differential ... Vasculitis Differential ... to exclude are infections ... tract, and often causes ... #Diagnosis #Rheumatology