11 results
Eosinophil Disorders Testing Algorithm
INDICATIONS FOR TESTING:
 • Peripheral blood eosinophilia/hypereosinophilia uncovered incidentally during medical evaluation or
Eosinophil Disorders ... evaluation or workup ... 1,500 cells/µL Workup ... drug reaction, infection ... Differential #diagnosis #hematology
Aortitis - Differential Diagnosis Framework
Non-Infectious Aortitis:
 • Vasculitides: Giant Cell Arteritis (GCA), Takayasu's arteritis, Cogan's Syndrome,
Framework Non-Infectious ... Cancer, Histiocytic disorders ... rare), Idiopathic Infectious ... pneumoniae • Mycobacterial ... Differential #Diagnosis #rheumatology
Approach to Joint Pain - Arthritis Differential Diagnosis Framework

Inflammatory Versus Noninflammatory Pain
 • Is it inflammatory
Mechanical/degenerative disorders ... Morning stiffness lasting ... • Mycobacterial ... Lyme disease) • Mycobacterium ... Diagnosis #MSK #rheumatology
Causes of Thrombocytopenia and Platelet Disorders - Differential Diagnosis and Workup
History:
 - Prior platelet count, family
Diagnosis and Workup ... procedures - Infection ... smear, HIV/HCV testing ... Diagnosis #Causes #Workup ... #hematology
Approach to Joint Pain - Diagnostic Framework

1) Chronicity
2) Inflammatory vs Non-Inflammatory
3) Number of Joints Involved

1) Chronicity:
gonorrhea, Lyme, mycobacterial ... Lyme), reactive arthritis ... SLE, psoriatic arthritis ... Joint #Pain #MSK #rheumatology ... #approach #workup
Hemolytic Anemia - Differential Diagnosis Algorithm
 • Sickle cells - Consider sickle cell disease (diverse genotypes):
inclusions - If infection ... Consider RBC membrane disorder ... Diagnosis #Algorithm #workup ... #hematology #testing
Rheumatology Workup - Laboratories Studies in Rheumatic Diseases

• Septic arthritis - Gram stain and culture of
Rheumatology Workup ... - CCP antibody testing ... metabolic or endocrine disorders ... #laboratory #workup ... #Rheumatology
Night Sweats - Differential Diagnosis Framework

Night sweats are a nonspecific symptom that patients commonly experience and
the primary care setting ... serious underlying disorder ... Tuberculosis • Mycobacterium ... • Takayasu's arteritis ... • Temporal arteritis
Causes of Myocarditis 
1. Infectious Myocarditis
 • Bacterial - Staphylococcus, Streptococcus, Pneumococcus, Meningococcus, Gonococcus, Salmonella, Corynebacterium
Infectious Myocarditis ... Haemophilus influenzae, Myobacterium ... immune-oriented disorders ... erythematosus, rheumatoid arthritis ... Miscellaneous - Scorpion sting
Myelodysplastic Syndromes (MDS)

What?
Myelodysplastic syndromes are a group of disorders caused by blood cells that are poorly
are a group of disorders ... formed or don’t work ... • Parvovirus infection ... Workup: • Complete ... Syndromes #diagnosis #hematology