32 results
Elevated Transaminases / Transaminitis - Differential Diagnosis

 • Infectious: HAV, HCV, HEV, EBV, HSV, CMV
 •
- Differential Diagnosis ... • Infectious ... CA, small cell lung ... Metabolic: Wilson Disease ... #causes #hepatology
Common Variable Immunodeficiency (CVID)

What?
CVID: Immunodeficiency disorder with hypogammaglobulinemia -> increased infection risk secondary to impaired B-cell
• Chronic lung ... Chest CT: • Ground-glass ... DDX - Other causes ... : • Nephrotic syndrome ... , HIV) • Glucocorticoid
Causes of Adrenal Insufficiency - Differential Diagnosis Algorithm
ACTH-Dependent (Secondary):
 • Pituitary Dysfunction
 • Hypothalamic Dysfunction
ACTH-Independent (Primary):
Polyglandular Autoimmune Syndrome ... • Infectious: ... Disseminated Fungal, HIV ... Granulomatous Disease ... #endocrinology
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
Lung Abscess - Diagnosis ... polymicrobial infection ... • Most common cause ... seen • Chest CT ... #differential #causes
BEE Syndromes - Non-inflammatory Causes

Immune-mediated conditions affecting the Brain, Eye, and Ear

Visual or auditory symptoms in
Non-inflammatory Causes ... and less common diseases ... and treatment can ... pachymeningitis • HIV ... • Lyme disease
Acute Retroviral Syndrome
Acute Retroviral Syndrome is the symptomatic presentation of acute human immunodeficiency virus infection

 •
14%), in which case ... Viral hepatitis Diagnosis ... antibody test) Treatment ... disease progression ... #HIV #diagnosis
Causes of Antibiotic Failure - Differential Diagnosis Framework
Diagnosis:
 • Non-Infectious: Malignant, Autoimmune, Drug-related (NMS, serotonin syndrome,
Causes of Antibiotic ... NMS, serotonin syndrome ... (daptomycin in lungs ... • Secondary to Treatment ... : IV catheter (CLABSI
Infectious Causes of Adrenal Insufficiency
Anatomical distribution of vessels to the adrenal makes the gland prone to
Infectious Causes ... disseminated microbial disease ... canimorsus • Virus: HIV ... #differential #diagnosis ... #endocrinology
Bronchiectasis - Summary

What?
• Bronchiectasis is derived from the Greek words bronckos meaning airway and ectasis meaning
Chronic inflammation causes ... Most Common Causes ... high-resolution chest CT ... , CCP, ANCA • HIV ... mycobacteria Treatment
Nontuberculous Mycobacteria (NTM) Infections 

Mycobacterial species other than those belonging to the Mycobacterium tuberculosis complex and
status NTM Cause ... : • Syndrome of ... Advanced HIV (CD4 ... Lung Disease: ... Imaging, high res CT