10 results
COVID-19 Patterns of Lung Findings on Chest CT
1. Reverse Halo Sign
2. ARDS
3. Crazy-Paving Pattern
4. Bilateral Peripheral
on Chest CT 1. ... ARDS 3. ... #Lung #Pulmonary ... #ChestCT #radiology ... #CTChest #diagnosis
Acute Respiratory Distress Syndrome – ARDS: Clinical Cheat Sheet

An acute diffuse, inflammatory lung injury, leading to
leading to increased pulmonary ... be detected on CT ... there is no clear cause ... Summary #CheatSheet #Diagnosis ... #Management #CriticalCare
Radiographic appearances of pulmonary diseases in HIV/AIDS Patients
 • Diffuse Interstitial Infiltrates: Pneumocystis jirovecii, M.tuberculosis, Histoplasma
diseases in HIV ... /AIDS Patients ... Actinomyces spp., NHL; Lung ... #differential #diagnosis ... #chestCT #radiology
Hampton hump is a radiologic sign which consists of a shallow wedge-shaped opacity in the periphery
periphery of the lung ... hump along may aid ... in the diagnosis ... In this case, pulmonary ... confirmed with chest CT
Pulmonary Infections in HIV-AIDS
Bacterial: 
 • No organism identified, Strep pneumoniae, H. influenzae, S.aureus, Streptococcus Grp
in HIV-AIDS Bacterial ... failure, COPD, Lung ... CXR +/- High res CT ... Cryptococcal Ag, Urine ... HIVAIDS #workup #diagnosis
Pulmonary Renal Syndromes - OnePager Summary
Autoimmune ANCA vasculitis (AAV): GPA (granulomatous with polyangiitis), EGPA (eosinophilic granulomatosis
Other tests: • CT ... Goodpasture's cause ... sparing of the lung ... seen on chest CT ... • IF staining patterns
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
Diagnosis Framework ... • CT: Halo sign ... factor • May cause ... #AIDS #pulmonary ... #differential #diagnosis
CNS Infection in HIV / AIDS - Differential Diagnosis Framework

Principles of HIV-Associated CNS Opportunistic Infections:
 •
/ AIDS - Differential ... Imaging: - MRI ... enhancement on CT ... Demyelinating disease caused ... #AIDS #opportunistic
Cryptococcal meningitis on T2 MRI
30 M from sub-Saharan Africa presents w/ progressive Headache x1 mo, +neck
Diagnosis? ... of prior silent pulmonary ... ) HIV-infected ... of K+ & Mg in urine ... Brain #clinical #radiology
Authors: Mark M. Ramzy, DO, EMT-P (@MarkRamzyDO, EM Resident Physician, Drexel University, Department of Emergency Medicine)
Several of the diagnoses ... chest radiograph pattern ... Most commonly caused ... #Radiology #CTChest ... #Lung #Pulmonary