9 results
Algorithm for the Evaluation of Chronic Diarrhea (< 7 days)
Exclude:
1. Causes of acute diarrhea
2. Lactose intolerance
3.
Causes of acute ... Systemic disease ... imaging with barium, CT ... #Diarrhea #management ... workup #diagnosis #differential
Common Variable Immunodeficiency (CVID)

What?
CVID: Immunodeficiency disorder with hypogammaglobulinemia -> increased infection risk secondary to impaired B-cell
Autoimmunity • Chronic ... lung disease ... • Infectious diarrhea ... Chest CT: • Ground-glass ... DDX - Other causes
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
infection • Most common ... pneumonia • Chronic ... seen • Chest CT ... Abscess Differential ... #causes #management
Bronchiectasis - Summary

What?
• Bronchiectasis is derived from the Greek words bronckos meaning airway and ectasis meaning
tightness Most Common ... Causes: • Cystic ... high-resolution chest CT ... for bacteria and Acid ... Bronchiectasis #pulmonary #differential
Acid Base Disorders - Blood Gas Interpretation

Steps for Blood Gas Interpretation: 
1. Acidemia or Alkalemia? 
2.
Acid Base Disorders ... L L-lactate (common ... acidosis: - Diarrhea ... or restrictive lung ... disease (COPD,
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
in HIV - Differential ... Diagnosis Framework Disease ... • CT: Halo sign ... Abdominal pain, chronic ... factor • May cause
Nontuberculous Mycobacteria (NTM) Infections 

Mycobacterial species other than those belonging to the Mycobacterium tuberculosis complex and
lung disease ... status NTM Cause ... liver enzymes, diarrhea ... Imaging, high res CT ... NTM #Infections #differential
Endocarditis Summary

Who?
Infectious:
• Pre-existing valvular disease
• Prosthetic valve
• Congenital heart disease
• IV substance use
• IV catheter
• Recent
verrucous) • Lung ... , Pancreas, Gastric ... Marantic (NTBE) Differential ... Regurgitation • Colon ... Endocarditis #diagnosis #management
Autoimmune Myositis - Differential Diagnosis Framework

Inflammatory Myopathies: Commonly symmetric proximal muscle weakness, no substantial muscle pain
Autoimmune Myositis - Differential ... Inflammatory Myopathies: Commonly ... , colon, and lymphoma ... , colon, and lymphoma ... statins - probably caused