9 results
Causes of Petechial Rash - Differential Diagnosis Algorithm

Pinpoint areas (less than 2 mm) of hemorrhage, which
- Differential ... Diagnosis Algorithm ... Vasculitis - Collagen disorders ... deficiency Work ... • Serology for hepatitis
Causes of Fatigue - Differential Diagnosis Algorithm
Endocrine
 • Hypo/Hyperthyroidism
 • Diabetes
 • Pituitary Insufficiency
 • Adrenal
Diagnosis Algorithm ... Neoplastic / Hematologic ... Epstein-Barr Virus • Hepatitis ... Arthritis • SLE ... • Somatization Disorder
SLE (Systemic Lupus Erythematosus)

Suspect:
Clinical evidence of (fatigue, rash, photosensitivity, inflammatory arthritis, weight loss, and fever) and
permanent alopecia Differential ... Malignancy (e.g. hematologic ... Noninfectious hepatitis ... vein thrombosis Hematologic ... Vasculitis: • Distal
Hemolytic Anemia - Differential Diagnosis Algorithm
 • Sickle cells - Consider sickle cell disease (diverse genotypes):
Hemolytic Anemia - Differential ... Diagnosis Algorithm ... genotypes): SS, SC, SE ... Consider RBC membrane disorder ... #workup #hematology
Acute Liver Injury - Differential Diagnosis Algorithm

Vascular Causes of Acute Liver Injury: 
 • Hepatic vein:
Liver Injury - Differential ... Diagnosis Algorithm ... , Chronic viral ... #differential # ... #hepatology
Approach to Joint Pain - Arthritis Differential Diagnosis Framework

Inflammatory Versus Noninflammatory Pain
 • Is it inflammatory
Pain - Arthritis Differential ... Mechanical/degenerative disorders ... or more joints Viral ... B19 • HIV • Hepatitis ... arthritis • SLE
Approach to Joint Pain - Diagnostic Framework

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

1) Chronicity:
• Acute = Viral ... parvovirus, HIV, hepatitis ... Chronic = RA, SLE ... #approach #workup ... #differential #
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
Vasculitis - Differential ... diseases, such as SLE ... claudication, visual ... , mucositis • Rash ... - interstitial keratitis
Elevated Globulin - Protein Gap (Total Protein - Albumin > 4)

Work-up of an Elevated Globulin Gap:
•
Albumin > 4) Work-up ... Connective tissue disorders ... gastric tumors • Hematology ... Gap #ProteinGap #differential ... #diagnosis #hematology