11 results
Causes of Chronic Diarrhea
Osmotic Diarrhea
 1. Medications: antacids, lactulose, sorbitol
 2. Disaccharidase deficiency: lactose intolerance
 3.
Causes of Chronic ... (tuberculosis, MAI ... Cytomegalovirus, HIV ... #Diarrhea #Causes ... #Differential #
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
Lung Infections ... in HIV - Differential ... • CT: Halo sign ... Abdominal pain, chronic ... factor • May cause
Transverse Myelitis Overview

Focal inflammatory disorder of the spinal cord resulting in rapid onset of weakness, sensory
Transverse Myelitis - Clinical ... • Bilateral signs ... causes need to ... simplex virus, HIV ... management #neurology #differential
Allopecia - Differential Diagnosis Framework for Hair Loss

Localized / Focal Hair Loss Pattern:
 • Scarring Alopecia:
Allopecia - Differential ... Examination: • Signs ... texture at bald spots ... weight loss • Chronic ... Dermatitis (Consider HIV
Guillain-Barre Syndrome - Summary

Acute AIDP that presents with rapidly progressive flaccid weakness

Epidemiology:
 • 1-2 cases/100,000 per
response preceding infection ... Campylobacter jejuni - HIV ... • Weakness: Starts ... arrythmias • Other: Diarrhea ... axonal form • MRI
Nail Pathologies - Findings in or Near Nails

Paronychia 

A superficial infection of the proximal and lateral
Chronic infections ... the Fingers Clinically ... Systemic causes ... Pathology #Diagnosis #Clinical ... #Signs #PhysicalExam
Nontuberculous Mycobacteria (NTM) Infections 

Mycobacterial species other than those belonging to the Mycobacterium tuberculosis complex and
status NTM Cause ... mucogenicum • HIV ... Advanced HIV (CD4 ... liver enzymes, diarrhea ... #differential #
Clinical Presentations Suggestive of Infectious Diarrhea Etiologies
 • Persistent or chronic diarrhea - Cryptosporidium spp, Giardia
Clinical Presentations ... Persistent or chronic ... can cause fever ... ) • Chronic watery ... #differential #
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
Vasculitis - Differential ... purpura: Strong sign ... oligoclonal bands • MRI ... Eosinophilia, asthma, chronic ... tract, and often causes
Morel-Lavallée Lesion - MSK Radiology
Imaging Findings:
 • Large, smoothly marginated, well-circumscribed mass along the medial myofascial
Case description ... - Chronic: ... Differential diagnosis ... concern for infection ... #mri #clinical