11 results
COVID-19 Patterns of Lung Findings on Chest CT
1. Reverse Halo Sign
2. ARDS
3. Crazy-Paving Pattern
4. Bilateral Peripheral
COVID-19 Patterns ... of Lung Findings ... ARDS 3. ... Organizing Pneumonia ... #diagnosis
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
- Differential Diagnosis ... • CT: Halo sign ... Infections #HIV #AIDS ... #differential #diagnosis ... #infectiousdiseases
Cryptogenic Organizing Pneumonia (COP)

Cryptogenic Organizing Pneumonia Overview:
 • Idiopathic form of organizing pneumonia
 • formerly BOOP
- Clinical manifestations ... - Imaging: • CXR ... - Diagnosis: ... , CPK, anti-scl70 ... #ILD #diagnosis
Pulmonary Infections in HIV-AIDS
Bacterial: 
 • No organism identified, Strep pneumoniae, H. influenzae, S.aureus, Streptococcus Grp
Infections in HIV-AIDS ... failure, COPD, Lung ... Evaluation: Imaging (CXR ... /- High res CT chest ... HIVAIDS #workup #diagnosis
Septic emboli
Septic emboli usually present as multiple ill-defined nodules.
In about 50% cavitation is seen.
CT demonstrates more
film and can suggest ... the diagnosis in ... the proper clinical ... feeding vessel sign ... #CXR #CTChest #
Community Acquired Pneumonia (CAP) - Diagnosis and Management

Pneumonia Signs/Symptoms:
 • Confusion/disorientation (LR + 1.9)
 • Cough
(CAP) - Diagnosis ... Signs/Symptoms: ... aeruginosa Clinical ... Yield of blood CX ... #CAP #Diagnosis
Mycoses

HISTOPLASMOSIS
• Inhalation of conidia → Yeast → travel to lymph nodes → spread in body
• Bird
has five major clinical ... yeast • At risk: AIDS ... Inhalation of spores ... change in the lungs ... ) #Mycoses #InfectiousDiseases
Increased pulmonary venous pressure is related to the pulmonary capillary wedge pressure (PCWP) and can be
features on the chest ... In daily clinical ... chronic obstructive lung ... #Diagnosis #Radiology ... #CHF #CXR #Stages
Rib fractures on POCUS 
1. look for a discontinuity at the site of pain and tenderness
US beats CXR on ... diagnosis; the ... orient in line on long ... course based on chest ... confirm in the short
Authors: Mark M. Ramzy, DO, EMT-P (@MarkRamzyDO, EM Resident Physician, Drexel University, Department of Emergency Medicine)
Vital signs: BP ... This patient’s clinical ... x-ray (CXR), try ... not seen on a CXR ... #Lung #Pulmonary