10 results
Pulmonary Infections in HIV-AIDS
Bacterial: 
 • No organism identified, Strep pneumoniae, H. influenzae, S.aureus, Streptococcus Grp
Pulmonary Infections ... in HIV-AIDS Bacterial ... Imaging (CXR +/- High ... res CT chest scan ... #workup #diagnosis
High-Res Chest CT Patterns - Differential Diagnosis Framework
Reticular:
 • Septal Thickening: Lymphangitic Carcinoma, Interstitial Edema, Alveolar
High-Res Chest CT ... - Differential Diagnosis ... #CT #Patterns # ... Differential #Diagnosis ... #pulmonary #radiology
Notice that even within each lobe there is a gravity dependent difference in density.
This is only
even within each lobe ... exsudate due to infection ... #Clinical #Radiology ... #CTChest #CHF # ... Alveolar #Pulmonary
Bronchiectasis - Summary

What?
• Bronchiectasis is derived from the Greek words bronckos meaning airway and ectasis meaning
parenchyma Diagnosis ... : • HRCT (high-resolution ... chest CT) • Broncho-arterial ... , CCP, ANCA • HIV ... #differential #diagnosis
Nontuberculous Mycobacteria (NTM) Infections 

Mycobacterial species other than those belonging to the Mycobacterium tuberculosis complex and
of right middle lobe ... mucogenicum • HIV ... massiliense in CF ... Symptoms, Imaging, high ... res CT) • Exclusion
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
Lung Infections ... Diagnosis Framework ... Aspergillosis • High ... • CT: Halo sign ... #HIV #AIDS #pulmonary
Preoperative Risk Evaluation

Major Pre-Op Questions:
1. Does the patient have any modifiable risk factors that could be
Skin exam for infection ... disease b) CHF ... ASA class If high ... of Surgery: • High ... stratification #diagnosis
Mycoses

HISTOPLASMOSIS
• Inhalation of conidia → Yeast → travel to lymph nodes → spread in body
• Bird
DX relies on a high ... affected tissue • High-dose ... aches, joint pain, chest ... yeast • At risk: AIDS ... MC: CNS CSF: •
Cryptococcal meningitis on T2 MRI
30 M from sub-Saharan Africa presents w/ progressive Headache x1 mo, +neck
Diagnosis? ... Cryptococcal meningitis, hiv ... of prior silent pulmonary ... sign on mri) HIV-infected ... Brain #clinical #radiology
Authors: Mark M. Ramzy, DO, EMT-P (@MarkRamzyDO, EM Resident Physician, Drexel University, Department of Emergency Medicine)
Several of the diagnoses ... trauma are diagnosed ... does a better job ... wall following high ... #Radiology #CTChest