ModuleDraftEmergency

Study module: stroke mimics + diagnostic pitfalls (high-yield)

High-yield stroke mimic framework: hypoglycemia, seizure/Todd’s paralysis, migraine, functional symptoms, infection/toxic-metabolic causes—plus what to check immediately in triage.

ClinicianClinicianAdvanced25 minClinical (pro)

Educational only

Educational only — acute neurologic deficits require urgent evaluation regardless of suspected mimic.

Get help now

Do not assume ‘mimic’ until evaluated. Any acute neurologic deficit should trigger local emergency/stroke alert escalation immediately and urgent imaging per protocol.

Key takeaways

  • List common stroke mimics
  • Identify immediate reversible causes to check (e.g., glucose)
  • Recognize why mimics should not delay emergency evaluation
  • Use a structured differential while maintaining ‘time is brain’ urgency

Why mimics matter

  • Common in acute pathways
  • Can be reversible
  • But don’t delay stroke workup

Must-check-now items

  • Glucose
  • Vitals
  • Medication list
  • Seizure history

Common mimics

  • Hypoglycemia
  • Seizure/Todd’s
  • Migraine
  • Functional neurologic disorder
  • Toxic-metabolic (electrolytes, infection)

Communication

  • Describe findings objectively
  • Escalate if uncertain

Practice check

What you’ll practice

These questions are untimed. After you answer all of them, you’ll see your score and a clear next lesson or reference step.

0 of 3 answered

Question 1

1. A rapid bedside check that can identify a reversible stroke mimic is…

Question 2

2. Considering stroke mimics should not delay urgent stroke evaluation when stroke is suspected.

Question 3

3. After a seizure, temporary weakness on one side is called…

References

  1. Tier 1
    AHA/ASA AIS Guideline 2019 Update (ED evaluation concepts)