Can a subdural hematoma or other intracranial bleed cause vertigo?

Can Subdural Hematoma or Brain Bleed Cause Vertigo?

Yes, subdural hematoma and other intracranial bleeds can cause vertigo, but this is uncommon and typically occurs with cerebellar hemorrhage or when accompanied by other neurological signs rather than isolated vertigo.

Understanding the Relationship

While intracranial hemorrhage can present with vertigo, the clinical context matters significantly:

When Brain Bleeds Cause Vertigo

Cerebellar hemorrhage is the most relevant intracranial bleed that presents with vertigo. This is considered a rare but dangerous cause of acute vestibular syndrome (AVS), where patients experience persistent vertigo with nausea, vomiting, gait instability, and nystagmus 1. Cerebellar strokes and hemorrhages can mimic peripheral vestibular disorders—in one series, 10% of cerebellar strokes presented similarly to benign peripheral vestibular processes 2.

Subdural hematoma rarely presents with isolated vertigo. When SDH does cause dizziness or vertigo, it typically occurs alongside other symptoms:

• Headache (most common symptom)
• Cognitive impairment or altered consciousness
• Focal neurological deficits
• Signs of increased intracranial pressure 3, 4, 5

Clinical Patterns to Recognize

The 2024 ACR Appropriateness Criteria emphasize that among all patients presenting to emergency departments with dizziness or vertigo, the positivity rate for intracranial pathology on head CT is only approximately 2%, with the most common findings being ischemic stroke, neoplasm, and hemorrhage 1.

Key distinguishing features suggesting central (brain-related) causes rather than benign peripheral vertigo include:

• Atypical nystagmus patterns: Downbeating nystagmus without torsional component, direction-changing nystagmus without head position changes, gaze-holding nystagmus, or baseline nystagmus without provocative maneuvers 2
• Associated neurological deficits: Dysarthria, dysmetria, dysphagia, sensory or motor loss, Horner's syndrome, or altered consciousness 2
• Failure to respond to conservative management for presumed benign positional vertigo 2

Diagnostic Approach

When to Suspect Intracranial Hemorrhage

Immediate imaging is warranted when:

• Vertigo occurs with severe headache, especially thunderclap headache 3, 4
• Any focal neurological signs are present
• Altered level of consciousness or cognitive changes
• Recent head trauma or chiropractic manipulation 4
• Atypical nystagmus patterns on examination
• Vomiting with systolic blood pressure >220 mm Hg 6

Imaging Strategy

For patients with acute persistent vertigo and concerning features, CT head without contrast is the initial study of choice for rapid evaluation, though it may miss up to 11% of acute infarcts 1. MRI with diffusion-weighted imaging is more sensitive for detecting posterior circulation infarcts and small cerebellar hemorrhages 1.

In patients with isolated acute vestibular syndrome and normal neurological examination, imaging may not be required if HINTS examination (Head Impulse, Nystagmus, Test of Skew) performed by specially trained providers is available and indicates peripheral vertigo 1. However, when performed by non-experts, HINTS has shown mixed results 1.

Clinical Pitfalls to Avoid

1. Don't assume isolated vertigo excludes stroke: 75-80% of patients with posterior circulation infarcts may have no focal neurological deficits at presentation 1

2. Don't rely solely on clinical examination without proper training: The HINTS examination requires specialized training to be reliable—sensitivity drops significantly when performed by non-experts 1

3. Don't miss the history: Actively inquire about recent trauma, chiropractic manipulation, anticoagulation use, or preceding severe headache 4

4. Don't overlook bilateral symptoms: Subdural hematomas affecting the superior sagittal sinus can cause bilateral motor signs or paraparesis, which might be mistaken for other conditions 7

Specific Hemorrhage Types and Vertigo

• Cerebellar hemorrhage: Rare cause of isolated AVS; nearly always has additional abnormal neurological findings 1
• Subdural hematoma: Typically presents with headache and cognitive changes; vertigo is not a primary feature unless there's mass effect on posterior fossa structures 3, 5
• Subarachnoid hemorrhage: May present with thunderclap headache and vertigo together 4
• Intracerebral hemorrhage: When involving brainstem or cerebellum, can cause vertigo with other posterior circulation signs 1, 6

Bottom Line for Clinical Practice

If a patient presents with isolated vertigo, normal neurological examination, and typical peripheral vestibular findings, subdural hematoma or other supratentorial bleeds are extremely unlikely causes. However, cerebellar hemorrhage remains in the differential and requires imaging if red flags are present. The combination of vertigo with headache, altered consciousness, focal deficits, or atypical nystagmus patterns mandates urgent neuroimaging to exclude intracranial hemorrhage 1.