24 results
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
• Most common cause ... Blood cultures • CXR ... early disease) • CXR ... Abscess Differential ... #causes #management
CNS Ring-Enhancing Lesions - Immunocompromised vs Immunocompetent
Multiple Ring-Enhancing Lesions:
 • Toxoplasmosis (CD4 < 100)
 • Other
Diagnosis- Compatible syndrome ... + MRI lesions + ... lesions • 80% with lung ... #diagnosis #causes ... #radiology #neurology
Causes of Bone/Joint Pain in Sickle Cell Disease
Vaso-occlusive pain:
 • Mechanism: ischemic pain
 • Can present
Causes of Bone/Joint ... Generally affects long ... common sites: hip ... • XR, MRI to ... • Differentiate
Differential diagnosis on HRCT
Most of our knowledge about imaging findings in interstitial lung disease comes from
Differential diagnosis ... in interstitial lung ... is interstitial lung ... seen and in many cases ... #Diagnosis #Radiology
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
in HIV - Differential ... Pneumonia: • 3 syndromes ... of a "flu-like syndrome ... factor • May cause ... AIDS #pulmonary #differential
BEE Syndromes - Non-inflammatory Causes

Immune-mediated conditions affecting the Brain, Eye, and Ear

Visual or auditory symptoms in
Non-inflammatory Causes ... pachymeningitis • HIV ... neuropathy (LHON) plus MRI ... #neurology #noninflammatory ... #differential #
Causes of Primary and Functional Mitral Regurgitation (MR) 
Causes of primary mitral regurgitation
 - Rheumatic heart
, Ehler-Danlos syndrome ... Direct/indirect chest ... : Dilated CMP, long-standing ... Primary #Functional #Differential ... #Diagnosis #Cardiology
Radiologists use many terms to describe areas of decreased density or lucencies within the lung, like
since in many cases ... we describe a chest ... visible wall #CXR ... #Lucency #Differential ... Pulmonary #Diagnosis #Radiology
Hypokalemia Evaluation Algorithm

Before evaluating hypokalemia, life threatening complications such as arrhythmias and paralysis should be looked
be treated with IV ... wasting from other causes ... suggests extra-renal causes ... diagnosis #Algorithm #differential ... #potassium #nephrology
Rhombencephalitis
BACTERIAL
- Listeria (biphasic illness with bulbar dysfunction occurring later)
- Mycobacterium tuberculosis
- Pneumococcus
- Brucella
- Borrelia (Lyme Disease)
-
Herpes Viruses (HSV ... - small cell lung ... Rhombencephalitis #Differential ... #Diagnosis #Causes ... #Neurology