15 results
Blood Culture-Negative Infective Endocarditis (BCNIE)
Definition: No etiology found after 3 separate blood cultures remain negative for
but important causes ... BCNIE Diagnostic ... factors: - Serology ... #Endocarditis #diagnosis ... #differential #workup
Causes of Dizziness - Vertigo - Differential Diagnosis Algorithm
True Vertigo - Illusion of Rotary Movement
Peripheral Vestibular
Diagnosis Algorithm ... nystagmus - Infection ... #Neurology #Differential ... #Diagnosis #Algorithm ... #Causes
Causes of Peripheral and Central Vertigo
PERIPHERAL VERTIGO
1. Benign paroxysmal positional vertigo (BPPV) - Short-lived (typically less
Causes of Peripheral ... history of viral infection ... without an obvious cause ... #Causes #differential ... #diagnosis #neurology
Dizziness and Vertigo Algorithm
Presyncope:
 • Feels "faint" or like they are going to "pass out"
 •
Dizziness and Vertigo ... Associated with nausea ... Dysequilibrium: • Feels unable ... #differential #diagnosis ... #neurology #management
Hepatitis B Virus Serology and Interpretation
HBsAg - Anti-HBs - Anti-HBc - HBeAg - Anti-HBe
 - Acute
Hepatitis B Virus Serology ... HBV carrier state ... less commonly, infection ... HepatitisB #HBV #Serology ... Interpretation #diagnosis
How do you work up an ischemic CVA?
A) Initial Evaluation
 • ABCs
 • IV access, monitor
How do you work ... Evaluate underlying cause ... #CVA #stroke #workup ... #diagnosis #checklist ... #neurology
Causes of Priapism
Many disease states have been associated with priapism, including hematologic disorders, malignancy, neurologic disorders,
disorders, malignancy, neurologic ... disorders, trauma, infection ... recreational drugs #Diagnosis ... #Urology #Priapism ... #Table
Differentiating NBTE from Infective Endocarditis
No pathognomonic signs/symptoms or echo features that are specific to NBTE, and
Differentiating NBTE from Infective ... Blood cultures/serology ... Blood cultures/serology ... in up to 30% of cases ... #table
Mastoiditis: Pathogenesis and clinical findings

Acute or Chronic Otitis Media -> 
Stage 1: Hyperemeia of the mastoid
resolution of infection ... hearing loss, nausea ... vomiting, dizziness, vertigo ... signs #symptoms #diagnosis ... #otology
Causes of Petechial Rash - Differential Diagnosis Algorithm

Pinpoint areas (less than 2 mm) of hemorrhage, which
Causes of Petechial ... - Differential Diagnosis ... deficiency Work ... blood test • Serology ... #Algorithm #Causes