Feeling unsteady on your feet is scary. But when patients come to Magnus Diagnostics saying "I am dizzy," the first thing we need to know is:
"Is the world spinning around you, or do you feel like you are about to faint?"
This distinction changes everything. It determines whether you need an ENT specialist, a Cardiologist, or a Neurologist.
The Difference: Dizziness vs. Vertigo
1. Dizziness (Lightheadedness)
- The Feeling: You feel floaty, weak, or like you might black out.
- Common Causes: Low blood pressure, dehydration, anemia, or low blood sugar.
- Do you need a Scan? Usually NO. A simple blood test or checking your BP often solves this.
2. Vertigo (The Spinning Room)
- The Feeling: You are sitting still, but the room is rotating around you (like getting off a merry-go-round). You might feel nauseous or vomit.
- Common Causes: Inner ear issues (BPPV), Meniere’s disease, or rarely, a brain issue.
- Do you need a Scan? Maybe.
When Does Vertigo Require an MRI?
Most vertigo is caused by tiny crystals in your inner ear moving out of place. This is called BPPV and is treated by an ENT doctor with simple head maneuvers (Epley maneuver). No scan needed.
However, we need an MRI Brain if the vertigo comes with "Red Flags" that suggest the problem is in the Central Nervous System (the brain), not the ear.
The Red Flags (Central Vertigo):
- Continuous Vertigo: It doesn't stop for days.
- Difficulty Walking: You cannot walk straight even when you try.
- Visual Issues: Double vision or eyes darting uncontrollably (Nystagmus) not changing with head position.
- Headache: Severe pain accompanying the dizziness.
What We Look For: MRI Brain + CP Angle
If your doctor orders a scan for vertigo, we perform a specialized MRI Brain with CP Angle Screening.
We look at the Cerebellopontine (CP) Angle—a tiny junction where the hearing and balance nerves enter the brainstem. We are checking for:
- Acoustic Neuroma: A slow-growing, non-cancerous tumor on the balance nerve.
- Stroke: A small stroke in the Cerebellum (the balance center of the brain).
- Demyelination: Early signs of Multiple Sclerosis.
Patient FAQ
"My doctor asked for an MRI of the Ear. Is that different?"
Yes. Sometimes we focus specifically on the Internal Auditory Canal (IAC). This is a high-resolution zoom into the ear nerves. It is often part of the CP Angle protocol.
"Can a CT Scan show this?"
No. The back part of the brain (Posterior Fossa) is surrounded by thick bone. On a CT scan, this bone causes "hardening artifacts" (streaks) that hide tiny tumors or strokes. MRI is the only accurate choice for vertigo.
Summary
- Rule 1: Don't panic. Most spinning is just an ear issue.
- Rule 2: See an ENT doctor first.
- Rule 3: If they suspect a nerve issue, get a high-quality MRI CP Angle scan.
🏥 Magnus Diagnostics - Vertigo Clinic Support
We specialize in MRI Internal Auditory Canal (IAC) and CP Angle imaging.
- Irinjalakuda
- North Paravur
📞 Book Your Scan: +91 89031 01010
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