204 results
Diagnostic Schema for Hyperferritinemia

Pearl: Diseases associated with extreme elevations: 
1. HLH 
2. Still's disease 
3. Systemic
Diagnostic Schema ... Still's disease ... Hyperferritinemia #Algorithm ... #Differential #Diagnosis ... #Hematology
Chronic Shoulder Pain - Differential Diagnosis Algorithm
4 tests for the AC joint:
1. Direct palpation
2. Cross-arm shoulder
Chronic Shoulder Pain ... - Differential Diagnosis ... Algorithm 4 tests ... after cross-arm test ... #Algorithm #MSK
Causes of Thrombocytosis - Differential Diagnosis Algorithm
Spurious:
 • Artifact (redo CBC)
Autonomous:
 • Essential thrombocytosis
 • Polycythemia
- Differential Diagnosis ... Algorithm Spurious ... disorders • Celiac disease ... #Differential #Diagnosis ... #Algorithm #Causes
Cold Urticaria
Prevalence - 0.05% in the population
Disease onset - Mostly 2nd to 4th decades of life
Causes
Nausea, abdominal pain ... Disorientation, vertigo Diagnostic ... test, TempTest ... Cold #Urticaria #diagnosis ... #rheumatology #
Approach to Von Willebrand disease (VWD)

By Matthew Ho, MD PhD @MatthewHoMD

#VWD #Von #Willebrand #VonWillebrand #disease #hematology
Von Willebrand disease ... VonWillebrand #disease ... #hematology #algorithm ... #diagnosis
Alkaline Phosphatase (ALP) Elevation - Differential Diagnosis Algorithm

ALP:
 - Enzymes that catalyze hydrolysis of organic phosphate
- Differential Diagnosis ... Algorithm ALP ... Bone symptoms - Pain ... #Differential #Diagnosis ... #Algorithm #hepatology
THE LIMPING OR NON-WEIGHT BEARING CHILD PATHWAY

RED FLAGS - In all cases there are specific
markers which
Malignancy - Night pain ... neurology, back pain ... Sickle cell disease ... #Limping #NWB #Algorithm ... Peds #Pediatrics #Diagnosis
Skin Conditions Associated with Joint Pain

Rash
	• Human parvovirus B19 infection

Malar rash
	• SLE
	• Human parvovirus B19 infection
	•
Associated with Joint Pain ... infection • Lyme disease ... #joint #pain #skin ... #differential #diagnosis ... #rheumatology
Hyperthyroidism (low TSH, High T4/T3) - Diagnostic Algorithm

Radioactive iodine scan – get if concern for nodular
Algorithm Radioactive ... Graves disease – ... Graves disease! ... Check pregnancy test ... #Algorithm #Workup
Whipple Disease (Tropheryma whipplei) - Diagnosis and Management 

Caused by: Tropheryma whipplei

Symptoms and Signs:
1. Migratory poly/oligoarthralgia
Whipple Disease ... Abdominal pain; ... positive T. whipplei tests ... positive T. whipplei test ... #diagnosis #algorithm