Areas of Expertise
MediFind evaluates expertise by pulling from factors such as number of articles a doctor has published in medical journals, participation in clinical trials, speaking at industry conferences, prescribing and referral patterns, and strength of connections with other experts in their field.
Learn more about MediFind’s expert tiers
Find Dr. Johnston's expertise for a condition
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- Experienced
- Acute CystitisDr. Johnston isExperienced. Learn about Acute Cystitis.
- Acute Kidney FailureDr. Johnston isExperienced. Learn about Acute Kidney Failure.
- Acute PainDr. Johnston isExperienced. Learn about Acute Pain.
- ApoplexyDr. Johnston isExperienced. Learn about Apoplexy.
- Atypical PneumoniaDr. Johnston isExperienced. Learn about Atypical Pneumonia.
- BullaeDr. Johnston isExperienced. Learn about Bullae.
- Chronic Obstructive Pulmonary Disease (COPD)
- DeliriumDr. Johnston isExperienced. Learn about Delirium.
- DysarthriaDr. Johnston isExperienced. Learn about Dysarthria.
- EmphysemaDr. Johnston isExperienced. Learn about Emphysema.
- Gitelman SyndromeDr. Johnston isExperienced. Learn about Gitelman Syndrome.
- Hospital-Acquired PneumoniaDr. Johnston isExperienced. Learn about Hospital-Acquired Pneumonia.
- Low Potassium LevelDr. Johnston isExperienced. Learn about Low Potassium Level.
- Lung MetastasesDr. Johnston isExperienced. Learn about Lung Metastases.
- Maturity Onset Diabetes of the YoungDr. Johnston isExperienced. Learn about Maturity Onset Diabetes of the Young.
- NecrosisDr. Johnston isExperienced. Learn about Necrosis.
- Pacemaker ImplantationDr. Johnston isExperienced. Learn about Pacemaker Implantation.
- Peptic UlcerDr. Johnston isExperienced. Learn about Peptic Ulcer.
- PneumoniaDr. Johnston isExperienced. Learn about Pneumonia.
- Pulmonary EdemaDr. Johnston isExperienced. Learn about Pulmonary Edema.
- RhabdomyolysisDr. Johnston isExperienced. Learn about Rhabdomyolysis.
- SepsisDr. Johnston isExperienced. Learn about Sepsis.
- Sickle Cell DiseaseDr. Johnston isExperienced. Learn about Sickle Cell Disease.
- StrokeDr. Johnston isExperienced. Learn about Stroke.
- Volkmann ContractureDr. Johnston isExperienced. Learn about Volkmann Contracture.
View All 25 Experienced Conditions
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