12 results
CNS Ring-Enhancing Lesions - Differential Diagnosis
 • Infections: Cerebral abscess (bacterial, fungal, parasitic), Neurocysticercosis, Tuberculoma, Cerebral
- Differential ... DiagnosisInfections ... Malignancy: Metastases (lung ... #Differential # ... Diagnosis #neurology
CNS Ring-Enhancing Lesions - Immunocompromised vs Immunocompetent
Multiple Ring-Enhancing Lesions:
 • Toxoplasmosis (CD4 < 100)
 • Other
• 80% with lung ... Infectious: ... #Brain #differential ... #diagnosis #causes ... #radiology #neurology
Common Infections in a Hospitalized Patient - GRUBS-C Mnemonic

G - GI (-itis): Cholecystitis, Pancreatitis, Peritonitis, Appendicitis,
Common Infections ... pneumonia, empyema, lung ... #differential # ... diagnosis #hospitalized ... #ddx
CAVITY – a useful mnemonic for the causes of a cavitating lung mass.

C = cancer
of a cavitating lung ... pulmonary embolus I = infection ... bronchogenic cyst #Diagnosis ... #Cavitary #Lesions ... #Differential #
Approach to Headaches - Differential Diagnosis Algorithm

Red flags (PHANTOMS):
 • Pattern change, progressively worse, papilledema
 •
Diagnosis Algorithm ... Space-occupying brain lesion ... • CNS infection ... #neurology #PHANTOMS ... #mnemonic
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
Lung Abscess - Diagnosis ... polymicrobial infection ... residual lesion ... Abscess Differential ... Abscess #pulmonary #differential
Tularemia - Diagnosis and Management Summary
Francisella tularensis - Aerobic fastidious gram-negative Coccobacillus - Zoonotic Infection
 •
Coccobacillus - Zoonotic Infection ... papulo-ulcerative lesion ... children; No evident lesion ... organism into the lungs ... : Serology (preferred
Lesions of the Spinal cord - Spinal Cord Syndromes

Spinal cord lesions can result in permanent neurologic
result in permanent neurologic ... Infarction - Infection ... patients with a long ... #differential # ... diagnosis #neurology
Erythemas Summarized
Erythema ab igne
 • A dermatosis that results from repeated exposure to heat (fires, heating
cancers, including lung ... classic targetoid lesions ... Erythemas #comparison #table ... #differential # ... diagnosis #dermatology
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
Vasculitis - Differential ... Diagnosis Framework ... affects the skin, neurologic ... cognitive impairment, neurologic ... drug exposure or Dx