14 results
Core IM: Pearls on Contrast-Induced Nephropathy

Definition: 
 • no slam dunk criteria 
 • definition in
IM: Pearls on Contrast-Induced ... Nephropathy Definition ... 72 hours after contrast ... Diagnosis: • look for signs ... ContrastInduced #Nephropathy
Additional Modalities for Workup of GI Bleed (Other than EGD + Colonoscopy)

Pill endoscopy
 • Able to
allergy or nephropathy ... allergy or nephropathy ... • Invasive, contrast ... allergy or nephropathy ... gastroenterology #table
Nerve agent exposure is a generalized whole-body exposure. Similar to organophosphates, symptoms and signs result from
, symptoms and signs ... In contrast to organophosphates ... SignsSymptoms #Table
Features That Differentiate Acute Pericarditis from Myocardial Ischemia or Infarction and Pulmonary Embolism

In contrast to the
Embolism In contrast ... associated with rheumatologic ... Pericarditis #Symptoms #Signs ... Presentation #comparison #Table
Systemic Lupus Erythematosus - Diagnosis
Manifestations:
 - Arthritis 69%
 - Malar rash 40%
 - Fever 36%
 -
Serositis 17% - Nephropathy ... autoantibodies #signs ... #differential #rheumatology
Many studies have reported that although some patients develop contrast nephropathy, the average creatinine among all
patients develop contrast ... nephropathy, the ... patients is either stable ... outliers as having “contrast ... nephropathy:”
Anterior ischemic optic neuropathy (AION) - Recognition of giant cell arteritis (GCA)

1) Is visual loss caused
ischemic optic neuropathy ... Doppler US : halo sign ... GiantCellArteritis #GCA #Rheumatology
Inflammatory Myopathies
Dermatomyositis
 • Onset: Subacute
 • Pattern: Proximal
 • CK: Up to 50X ULN
 • Autoantibodies:
heliotrope, shawl sign ... diagnosis #comparison #rheumatology ... #table
Cold Urticaria
Prevalence - 0.05% in the population
Disease onset - Mostly 2nd to 4th decades of life
Causes
- Direct skin contact ... Urticaria #diagnosis #rheumatology ... #comparison #table
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
weakness - Nerves: neuropathy ... purpura: strong sign ... Sensory and/or motor neuropathy ... mononeuritis multiplex/neuropathy ... differential #diagnosis #rheumatology