STOP Guessing the Affected Ear in Horizontal Canal BPPV

A 3-Step Lateralization & Treatment Decision Tree for Rehab Clinicians

Master Ewald's 2nd Law, Bow & Lean and Null Point Tests, and maneuver selection in under 60 seconds.

• Steps 1 & 2: Instantly differentiate between geotropic and apogeotropic variants using Ewald's 2nd Law
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• Step 3: Deploy Bow & Lean and Null Point Test tie-breaker protocols when in doubt
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• Step 4: Select the correct maneuver with confidence

Meet Dr. McDonald

I'm Dr. McDonald, PT, DPT, NCS — a Board-Certified Neurologic Clinical Specialist with advanced post-doctoral training in vestibular and balance disorders. After completing an intensive Neurologic Physical Therapy Residency and earning board certification as a Neurologic Clinical Specialist, I went on to complete fellowship training in Vestibular Rehabilitation to deepen my expertise in the most complex cases.

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Today, I specialize in evaluating and treating central and peripheral vestibular dysfunction, post-concussion syndrome (PCS), persistent postural-perceptual dizziness (PPPD), and complex gait and balance disorders.

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I started Vestibular PT Vault because I kept seeing the same thing in clinics and continuing ed courses: talented PTs defaulting to guesswork on lateralization and treatment selection, not because they weren't capable, but because no one had broken the decision-making down clearly. I built the tools I wish I'd had earlier in my own training — practical, evidence-informed resources clinicians can actually use during a patient encounter, not just read once and forget.

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