29 results
Chronic Cough - Differential Diagnosis Algorithm
Red Flags:
 • Fever, night sweats, chills (infection)
 • Weight loss,
sweats, chills (infection ... disease or CHF) ... refer + order CT ... disease #Chronic ... Diagnosis #Algorithm #causes
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 ... DDX - Other causes ... hypogammaglobulinemia #immunology #hematology
Liver Mass - Differential Diagnosis Algorithm
Cystic:
 • Benign 
     - Simple: Simple
Polycystic Liver Disease ... Benign - Infectious ... secondary - Breast, Lung ... Diagnosis #Algorithm #Causes ... #Hepatology
Causes of Localized Lymphadenopathy - Differential Diagnosis Algorithm
Cervical:
 - Anterior
     • Infection
Causes of Localized ... • Kikuchi Disease ... , Mediastinum, Lungs ... Diagnosis #Algorithm #Causes ... #Hematology #Oncology
Back Pain - Differential Diagnosis
Primary Back Pathology:
 • Musculoligamentous injury (a.k.a. lumbosacral strain)
 • Spondylosis (i.e.
Systemic Diseases ... Manifestations: • Infection ... (most common: lung ... , Aneurysm • Pancreas ... Differential #Diagnosis #causes
Elevated Transaminases / Transaminitis - Differential Diagnosis

 • Infectious: HAV, HCV, HEV, EBV, HSV, CMV
 •
Diagnosis • Infectious ... CA, small cell lung ... Metabolic: Wilson Disease ... Differential #Diagnosis #causes ... #hepatology
Causes of Pleural Effusion - Differential Diagnosis Algorithm
Transudate - Hydrostatic
 • Congestive heart failure
 • Constrictive
Causes of Pleural ... Pneumonectomy • Trapped lung ... Urinothorax Exudate - Infectious ... Diagnosis #Algorithm #Hepatology ... #causes
GLP-1 Receptor Agonists - Pharmacology Summary
Mechanisms of Action: Stimulate glucose-dependent insulin release from the pancreas (GLP-1
release from the pancreas ... atherosclerotic heart disease ... e.g. diarrhea, nausea ... not definitively cause ... DM2 #diabetes #endocrinology
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
polymicrobial infection ... • Most common cause ... • Periodontal disease ... seen • Chest CT ... #differential #causes
Bronchiectasis - Permanent dilation of an airway
WHAT CAN YOU SEE ON CT?
1) Lack of tapering of
CAN YOU SEE ON CT ... involving both lungs ... WHAT ARE COMMON CAUSES ... Immunodeficiency 3) Infection ... Rheumatologic/Autoimmune diseae