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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.

2 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।

2 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.

2 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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