10 results
Miliary Pattern - Chest Radiology
 • Miliary opacities are scattered, small (1 -4 mm) nodules
 •
Miliary Pattern ... - Chest Radiology ... pathogens - Viral ... #Chest #Radiology ... diagnosis #pulmonary #CXR
Interstitial pneumonias
An acute reticular pattern is most frequently caused by interstitial edema due to cardiac heart
acute reticular pattern ... This was a PCP-infection ... manifestation of AIDS ... #Clinical #Radiology ... #CXR #Acute #Interstitial
Pulmonary Infections in HIV-AIDS
Bacterial: 
 • No organism identified, Strep pneumoniae, H. influenzae, S.aureus, Streptococcus Grp
in HIV-AIDS Bacterial ... Evaluation: Imaging (CXR ... /- High res CT chest ... Blood and sputum cx ... diagnosis #evaluation #differential
CNS Infection in HIV / AIDS - Differential Diagnosis Framework

Principles of HIV-Associated CNS Opportunistic Infections:
 •
HIV / AIDS - Differential ... subcortical white matter ... effect/Edema • EBV ... #differential # ... diagnosis #AIDS
Pulmonary Renal Syndrome

Definition: Diffuse alveolar hemorrhage + Glomerulonephritis
Presentation (Pulmonary and renal manifestations can occur weeks apart):
allopurinol), Infection ... anti-ANCA ab, anti-GBM ... , anti-CCP • CXR ... high resolution chest ... #diagnosis #nephrology
Weakness - Differential Diagnosis Framework

Approach To Weakness:
 • Non-neuromuscular disorder (Cardiac, pulmonary etc)
 • CNS ->
Weakness - Differential ... changes - Common pattern ... Coxsackie, HIV, CMV, EBV ... #Weakness #Differential ... #Diagnosis #neurology
Posterior Reversible Encephalopathy Syndrome (PRES) Overview

Clinico-Radiological Syndrome, characterized by:
 • Headache
 • Seizures
 • Altered mental
mental status • Visual ... may precede the neurologic ... Imaging Patterns ... Reversible course Differential ... Diagnosis: • Infection
CNS Infections - Viral Encephalitis and Bacterial Meningitis - Differential Diagnosis Framework

Viral Encephalitis:
MCC: Enteroviruses (e.g., coxsackievirus
CNS Infections - ... virus • CMV • EBV ... encephalitis, eastern ... rav7ks #CNS #Infections ... diagnosis #neurology
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
Vasculitis - Differential ... claudication, visual ... affects the skin, neurologic ... cognitive impairment, neurologic ... white and gray matter
Authors: Mark M. Ramzy, DO, EMT-P (@MarkRamzyDO, EM Resident Physician, Drexel University, Department of Emergency Medicine)
(@MarkRamzyDO, EM ... x-ray (CXR), try ... pattern that your ... not seen on a CXR ... #Radiology #CTChest