15 results
Multifocal Atrial Tachycardia (MAT)
• At least 3 different P wave morphologies: 
• Rate 100-180
• Irregular 
Etiology
Secondary to chronic lung ... disease (COPD) ... • Oxygen • Treatment ... Tachycardia #MAT #Cardiology ... #EKG #Management
IgG4-Related Disease
Clinical history:  Man, 60 years, multiorgan involvement, unique or multiple inflammatory pseudotumor
4 phenotypes:
 •
IgG4-Related Disease ... biliary, renal, lung ... concentration PET-CT ... #diagnosis #management ... #rheumatology
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
and Management ... seen • Chest CT ... Management: • ... • Vasculitis (e.g ... differential #causes #management
Common Variable Immunodeficiency (CVID)

What?
CVID: Immunodeficiency disorder with hypogammaglobulinemia -> increased infection risk secondary to impaired B-cell
• Chronic lung ... lymphocytic interstitial lung ... Chest CT: • Ground-glass ... : • Nephrotic syndrome ... (Epstein-Barr syndrome
Macrophage Activation Syndrome (MAS)
Classified among the secondary or acquired forms of haemophagocytic lymphohistiocytosis (sHLH)

What?
A subset of
rash) • Heart, lung ... • Infection (eg ... Treatment: • Corticosteroids ... #Diagnosis #Management ... #Hematology #Rheumatology
Bronchiectasis - Summary

What?
• Bronchiectasis is derived from the Greek words bronckos meaning airway and ectasis meaning
obstruction • COPD ... in the adjacent lung ... of the affected lung ... high-resolution chest CT ... mycobacteria Treatment
Pulmonary Renal Syndromes - OnePager Summary
Autoimmune ANCA vasculitis (AAV): GPA (granulomatous with polyangiitis), EGPA (eosinophilic granulomatosis
Other tests: • CT ... sparing of the lung ... seen on chest CT ... differential #diagnosis #management ... #treatment
Pseudogout Summary - Calcium Pyrophosphate Deposition Disease (CPPD)

Pathophysiology:
Pyrophosphate produced by chondrocytes likely precipitates with calcium to
Acute Pseudogout: Treatment ... ≥2 attacks • Long-term ... Crowned Dens Syndrome ... #Rheumatology # ... diagnosis #management
Premature Ventricular Complexes (PVC's) - Summary Framework

Why PVCs?  Can be the first manifestation of cardiac
Inherited arrhythmia syndromes ... (e.g., long QT ... syndrome, ARVC) ... more intensive treatment ... #differential #cardiology
Giant cell arteritis (GCA)

Giant cell arteritis (GCA) definition: Most common systemic inflammatory vasculitis in older adults
in literature (NEJM ... Treatment of GCA ... day, followed by long ... them, but urgent rheumatology ... Symptoms #Diagnosis #Management