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Diagnostic Tests — the full library.

Diagnostic Tests

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All articles in Diagnostic Tests

downbeat nystagmus patient guide image for Dr Prateek Porwal
Diagnostic Tests

Downbeat Nystagmus: Causes, Tests and Warning Signs

Downbeat nystagmus is an eye-movement sign that may point to central neurological causes. Learn associated symptoms and why prompt specialist assessment matters.

8 min read
Gaze evoked nystagmus patient education image for eye movement warning signs
Diagnostic Tests

Gaze Evoked Nystagmus: Eye Movement Warning Sign

Gaze evoked nystagmus guide: side-gaze eye drift, symptoms, VNG testing, red flags, safety steps and when ENT/vertigo review is safer.

8 min read
nystagmus types patient guide image for Dr Prateek Porwal
Diagnostic Tests

Nystagmus Types: Central vs Peripheral Eye Movements

Nystagmus means involuntary eye movements. Learn common patterns, how central and peripheral findings differ, warning signs and why examination matters.

8 min read
Frenzel goggles nystagmus patient guide image for Dr Prateek Porwal
Diagnostic Tests

Frenzel Goggles Nystagmus Test: Vertigo Eye Movement Guide

Frenzel goggles help clinicians observe nystagmus by limiting visual fixation. Learn what the test shows, its limits and when further assessment is needed.

8 min read
Rotary chair test vestibular exam — patient undergoing rotational chair testing for vestibular dizziness, illustration by Dr. Prateek Porwal
Diagnostic Tests

Rotary Chair Testing for Vertigo: When It Helps

Rotary chair testing for vertigo: when it adds value beyond VNG, what patients should track, safety red flags, and when ENT/vertigo review is safer.

8 min read
VEMP test vertigo patient education image for cVEMP and oVEMP
Diagnostic Tests

VEMP Test Vertigo: cVEMP, oVEMP and Inner-Ear Nerve Pathways

VEMP test guide for vertigo: when cVEMP or oVEMP helps, what happens during the test, safety limits, results and next steps.

5 min read
Clinical team assessing a patient with sudden continuous dizziness in a hospital setting.
Diagnostic Tests

HINTS Exam in Acute Vertigo: Stroke Signs and Limits

HINTS exam in acute vertigo guide: when it is used, stroke warning signs, HINTS+ hearing clues, CT/MRI limits, and why it needs a trained…

7 min read
ਬੈਲੰਸ ਕਸਰਤਾਂ ਲਈ patient education image
Diagnostic Tests

ਬੈਲੰਸ ਕਸਰਤਾਂ: ਘਰ ਵਿੱਚ ਕਦੋਂ safe ਹਨ?

ਬੈਲੰਸ ਕਸਰਤਾਂ ਬਾਰੇ patient guide: ਲੱਛਣ, ਖਤਰੇ ਦੇ ਸੰਕੇਤ, ਜਾਂਚ, ਇਲਾਜ ਦਾ ਰਾਹ ਅਤੇ doctor ਨੂੰ ਕਦੋਂ ਦਿਖਾਉਣਾ.

10 min read
FAQ concept image representing frequently asked questions about vertigo, BPPV, and inner ear disorders
Patient Education

Vertigo FAQ — 60 Questions Answered | Dr. Prateek

Seek urgent assessment now for new weakness, facial droop, difficulty speaking, double vision, fainting, a severe new headache, chest pain, inability to stand or…

11 min read
चक्कर का इलाज हिंदी मरीज गाइड इमेज
Vertigo

चक्कर का इलाज: कारण के हिसाब से सही इलाज

चक्कर का इलाज कारण पर निर्भर करता है: BPPV, BP, migraine, vestibular problem, दवा या red flags के हिसाब से जांच और इलाज।

6 min read
Diagram showing steps 3 and 4 of the Epley's maneuver for treating right posterior canal BPPV — BPPV Basics series by Dr. Prateek Porwal
Treatments & Procedures

Vertigo Treatment Without Medicine: A Doctor’s Guide to Non-Medication Approaches

Quick answer: Vertigo treatment without medicine is appropriate for some causes of dizziness, but not for every patient. Confirmed BPPV is usually treated with…

7 min read
VNG टेस्ट क्या होता है - चक्कर की जांच patient guide image
Diagnostic Tests

VNG टेस्ट क्या होता है? चक्कर की जांच कैसे होती है

VNG टेस्ट क्या होता है: चक्कर, आंखों की movement, balance testing, safety signs और ENT/vertigo review को आसान हिंदी में समझें.

11 min read

Written by Dr. Prateek Porwal

ENT and vestibular clinician at Prime ENT Center, Hardoi, with a clinical focus on vertigo, BPPV, balance disorders, hearing and general ENT care.

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