8 results
Blood Culture-Negative Infective Endocarditis (BCNIE)
Definition: No etiology found after 3 separate blood cultures remain negative for
Culture-Negative Infective ... requires special media ... but important causes ... factors: - Serology ... special stains (e.g
Approach to Headaches - Differential Diagnosis Algorithm

Red flags (PHANTOMS):
 • Pattern change, progressively worse, papilledema
 •
lyme • Altered mental ... • Meningeal signs ... lesion • CNS infection ... ) • Temporal arteritis ... Diagnosis #Algorithm #neurology
Differentiating NBTE from Infective Endocarditis
No pathognomonic signs/symptoms or echo features that are specific to NBTE, and
pathognomonic signs ... : Serial negative ... in up to 30% of cases ... #Endocarditis #comparison ... Marantic #diagnosis #table
Emergent Causes of Headache and Associated Risk Factors
Carbon monoxide poisoning
 - Breathing in enclosed or confined
Emergent Causes ... of sinus or ear infection ... immunization Temporal arteritis ... parasitic or fungal infection ... headache #redflags #signs
Giant cell arteritis (GCA)

Giant cell arteritis (GCA) definition: Most common systemic inflammatory vasculitis in older adults
with systemic, neurologic ... Involves large and medium ... systemic sx + signs ... vasculitis vs infection ... GCA #Temporal #Signs
Myasthenia Gravis Overview

Myasthenia Gravis is an autoimmune disorder of the postsynaptic neuromuscular junction.  Ab to
syndrome, rheumatoid arthritis ... Serologic and EMG ... - Peek sign ... precipitated by: Drugs, infection ... diagnosis #management #neurology
Common Ulcers of the Ankles and Feet

Chronic Venous Insuffciency 
This condition usually appears over the medial
appears over the medial ... areas of trauma (e.g ... diabetic neuropathy, neurologic ... Associated signs ... Clinical #Podiatry #Comparison
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
purpura: Strong sign ... primary condition MEDIUM ... affects the skin, neurologic ... tract, and often causes ... , recent viral infection