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Altered Mental Status. Coma and Reduced GCS Emergencies. Franko Haller , Medical English VI franko@me.com December 2010 Mentor: A. Žmegač Horvat. Imagine y ourself. - A1 highway - early August - foreign tourists - high-traffic season. A 112- c all. - 65 year old female - LOC
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Altered Mental Status • Coma and Reduced GCS Emergencies Franko Haller, Medical English VI franko@me.com December 2010 Mentor: A. Žmegač Horvat
Imagine yourself... - A1 highway - early August - foreign tourists - high-traffic season
A 112-call - 65 year old female - LOC - bus tour - exit Brinje, direction South - English speaking tour with Croatian guide *
What can you expect? - 65 year old female - LOC - bus tour - exit Brinje - English speaking tour with Croatian guide ALMOST anything!
How to approach the patient? D DANGER
How to approach the patient? R RESPONSE AVPU assessment A - ALERT V - responds to VOICE P - responds to PAIN U - UNRESPONSIVE
How to approach to a patient? DR ABC DANGER, RESPONSE, AIRWAY, BREATHING, CIRCULATION
What can you see? - 65 year old female - group of 15 Canadians D - no danger to provider/emergency team R - reduced LOC; not alert, does not respond to voice stimuli, responds to pain stimulus on sternum AVPU A - open, patent B - normal breathing, RR 18/min C - strong, 98 bpm, BP 120/80
SAMPLE history S - signs & symptoms A - allergies M - medications P - past medical history L - last oral intake E - events preceding this acute emergency
SAMPLE history S - signs & symptoms: tired and cranky, complained of lightheadedness A - allergies: no known allergies M - medications: metformin and other drugs for her diabetes P - past medical history: known diabetic, history of a stroke 5 years ago L - last oral intake: breakfast 3 hours ago E - events preceding this acute emergency: severe and sudden headache minutes before she lost consciousness
What should you do next? Check blood glucose Establish an i.v. access (50 ml of 50% glucose/dextrose flushed with NS) Check pupils Check reflexes Reevaluate ABCs (consider oropharyngeal airway) Determine GCS
What should you do next? Blood Glucose 1.1 mmol/L on glucometer Establish an i.v. access (50 ml of 50% glucose/dextrose flushed with NS) Check pupils - fixed and dilated, symmetric Check reflexes - diminished, symmetric Reevaluate ABCs - unchanged
Coma and decreased GCS THINK ABOUT * no focal neurology: low O2, high CO2, hypotension, metabolic (glucose, Na+, Ca++, K+, acidosis, alkalosis, renal, liver failure), hypothermia, pyrexia, malignant hypertension overdose: opiates, benzos, alcohol, insulin, some oral hypoglycemics * focal neuro findings: CVA, tumor, hematoma, trauma, hypoglycemia * meningism: meningitis, encephalitis, SAH
Glasgow Coma Scale (GCS) = or < 8 requires intubation E2 V3 M5 total GCS 10
Acute confusion acute deficit in thinking, memory, orientation or awareness Confusion Off-legs medical slang for acute inability to walk in the elderly medical slang for elderly patients no longer coping at home Acopia chronic deficit in thinking, memory and/or personality Dementia acute onset confusion with hallucinations or illusions Delirium Psychosis hallucinations or illusions without confusion
Acute confusion THINK ABOUT EMERGENCIES low O2, high CO2, MI, sepsis, intracranial bleed, meningitis, encephalitis, raised ICP, CVA, arrhythmia; common: infection, metabolic, head injury, alcohol withdrawal/intoxication, post-ictal, Korsakoff’s acute chronic dementia history from family, relatives, friends, nurses PMH: lung, hear, liver, kidney, epi, dementia, psych DH: benzos, opiods, steroids, NSAIDs, B-blockers, psych drugs, alcohol, recreational drugs ASK ABOUT
Acute confusion THINK ABOUT EMERGENCIES cyanosis, pulse (HR and rhythm), bronchial breathing, creps, abdo pain, signs of head injury, neck stiffness, photophobia, focal neurology, pupils, papilloedema, tone and reflexes Look for Obs GCS, temp, HR, BP, RR, O2 sats urine dipstick, middle stream, culture, swab blds FBC, U+E, LFTs, CRP, glucose, Ca++, cardiac markers, blood cultures, amylase, TFT, B12 level, ABG ECG, CXR, CT, LP ifCT normal Investigations
Acute confusion Abbreviated Mini-Mental (10-point test) 8 or more is normal in an elderly patient
Thank you for your attention Literature: 1. Oxford Handbook for The Foundation Programme; Hurley, Dawson, Sanders, 2nd E, Oxford University Press, 2008 2. Oxford Cases in Medicine and Surgery; Guiding Your Through Diagnosis; Farne, Norris, Smith, Oxford University Press, 2010