Neurology, Cognition and Chronic Symptoms
Reason through headache, weakness, movement, neuropathy, delirium, dementia and chronic neurological disease.
How to prepare for PLAB 1
Practise recognising the immediate clinical task, ruling in or out dangerous alternatives, choosing the safest next step and closing the loop.
Core concepts
Concept 1
Localisation and tempo convert neurological symptoms into a useful differential.
Exam cue: Use onset, distribution and associated features before naming a condition.
Concept 2
Acute fluctuating cognition is delirium until assessed for a cause; dementia is not an adequate explanation for sudden change.
Exam cue: Look for reversible causes, functional impact and safety.
Risk pitfalls and guardrails
Calling a first severe headache migraine without red-flag assessment.
Guardrail: Avoid an option that names a plausible diagnosis but ignores physiology, contraindications, competence, patient priorities or follow-up.
Attributing delirium to age or dementia.
Guardrail: Avoid an option that names a plausible diagnosis but ignores physiology, contraindications, competence, patient priorities or follow-up.
Memory anchors
What frames a headache differential?
Onset, severity, pattern, neurological signs, systemic features and secondary-risk context.
How is weakness localised?
Pattern, tone, reflexes, sensation, cranial findings and time course.
What distinguishes delirium?
Acute onset, fluctuation and impaired attention due to an underlying cause.
What belongs in cognitive assessment?
History from patient and collateral source, function, mood, medicines, physical causes and risk.
What should chronic neurological care include?
Symptom control, rehabilitation, medicine monitoring, driving or work advice and multidisciplinary support.
Checkpoint rule
Do the check-up only after you can summarize each concept in one sentence and identify one dangerous pitfall from memory.
Knowledge Check (after reading)
Short check-up to confirm understanding of this module.
Check-up Questions
A patient has recurrent unilateral throbbing headache, nausea and photophobia lasting 12 hours, with normal examination. What is most likely?
A patient has excruciating unilateral orbital pain with tearing and nasal congestion nightly for two weeks. What is most likely?
Answer all questions to submit.
Next step personalized recommendations
Continue learning
Move forward only after this module is stable.
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