23 results
Causes of Dizziness - Vertigo - Differential Diagnosis Algorithm
True Vertigo - Illusion of Rotary Movement
Peripheral Vestibular
Causes of Dizziness ... - Vertigo - Differential ... oscillopsia) • Otitis Media ... symptoms/signs, ... nystagmus - Infection
Approach to Headaches - Differential Diagnosis Algorithm

Red flags (PHANTOMS):
 • Pattern change, progressively worse, papilledema
 •
to Headaches - Differential ... lyme • Altered mental ... lesion • CNS infection ... ) • Temporal arteritis ... Diagnosis #Algorithm #neurology
Back Pain - Differential Diagnosis
Primary Back Pathology:
 • Musculoligamentous injury (a.k.a. lumbosacral strain)
 • Spondylosis (i.e.
Back Pain - Differential ... Manifestations: • Infection ... #Back #Pain #Differential ... #Diagnosis #causes ... #primarycare #table
Signs and Symptoms Associated With Different Headache Etiologies
 • Nonfocal mental status changes - Meningitis, encephalitis,
Signs and Symptoms ... Tender temporal arteries ... - Temporal arteritis ... #headache #signs ... #differential #
Eosinophil Disorders Testing Algorithm
INDICATIONS FOR TESTING:
 • Peripheral blood eosinophilia/hypereosinophilia uncovered incidentally during medical evaluation or
incidentally during medical ... for secondary causes ... organ-specific signs ... or symptoms (eg ... Disorders #Algorithm #Differential
Pulmonary Renal Syndrome

Definition: Diffuse alveolar hemorrhage + Glomerulonephritis
Presentation (Pulmonary and renal manifestations can occur weeks apart):
erythematosus, Rheumatoid arthritis ... Bronchoscopy with serial ... BAL → confirm DAH ... , rule out infection ... #diagnosis #nephrology
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 ... headache #redflags #signs ... #symptoms #differential
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 ... very remarkable w/differential ... vasculitis vs infection
Causes of Secondary Hypertension - Workup and Differential Diagnosis
Approach (when evaluation should be done):
1. Severe or
with previously stable ... hypertension and signs ... renal bruit or signs ... Neurologic disorders ... #Differential #