10 results
Common Variable Immunodeficiency (CVID)

What?
CVID: Immunodeficiency disorder with hypogammaglobulinemia -> increased infection risk secondary to impaired B-cell
to 8 years Clinical ... • Chronic lung ... diarrhea • ... DDX - Other causes ... : • Nephrotic syndrome
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
Lung Infections ... Diagnosis Framework ... Can be normal ... , chronic diarrhea ... #Infections #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 ... Hands or feet • Pain ... arrythmias • Other: Diarrhea
Nontuberculous Mycobacteria (NTM) Infections 

Mycobacterial species other than those belonging to the Mycobacterium tuberculosis complex and
status NTM Cause ... : • Syndrome of ... Advanced HIV (CD4 ... liver enzymes, diarrhea ... , abdominal pain
Clinical Presentations Suggestive of Infectious Diarrhea Etiologies
 • Persistent or chronic diarrhea - Cryptosporidium spp, Giardia
Clinical Presentations ... discriminatory—viral ... can cause fever ... or B. cereus (long ... #Diarrhea #diagnosis
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
claudication, visual ... tract: Abdominal pain ... fluid (CSF) is abnormal ... tract, and often causes ... #Rheumatology
SLE (Systemic Lupus Erythematosus)

Suspect:
Clinical evidence of (fatigue, rash, photosensitivity, inflammatory arthritis, weight loss, and fever) and
) Suspect: Clinical ... fibromyalgia) • Infections ... Clinical Features ... : • Joint pain ... #Rheumatology
Giant cell arteritis (GCA)

Giant cell arteritis (GCA) definition: Most common systemic inflammatory vasculitis in older adults
Diagnosis = clinical ... vasculitis vs infection ... them, but urgent rheumatology ... required +/- prompt ophthalmology ... presence/absence of visual
Relapsing Polychondritis

What is it?
Recurrent inflammation of the cartilage in the body (Autoimmune disorder)

Who?
• Most frequently: 40
Sudden onset of pain ... the most common clinical ... chondritis • Ocular ... : • Clinical tests ... Polychondritis #rheumatology
Authors: Mark M. Ramzy, DO, EMT-P (@MarkRamzyDO, EM Resident Physician, Drexel University, Department of Emergency Medicine)
breath and chest pain ... located chest pain ... This patient’s clinical ... #Radiology #CTChest ... #Lung #Pulmonary