Brain Injury Medicine: Clinical Decisions and Certification Review Study Guide

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After hypoxic injury, a patient opens her eyes each morning but shows only stereotyped withdrawal. The team documents wakefulness, then repeatedly tests visual pursuit, command following and purposeful responses before assigning a consciousness diagnosis.

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A patient appears unresponsive during morning rounds after a sedating medication. Later, with hearing aids fitted and arousal improved, she consistently tracks a mirror. Serial standardized examinations capture the response and support diagnostic reconsideration.

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A thirty-year-old remains minimally conscious six weeks after severe TBI. His team considers amantadine while tracking standardized behavioral outcomes and renal function. They explain that evidence supports faster early recovery within this population, without guaranteeing eventual independence.

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A family asks whether new visual pursuit means their relative will live independently. The physician explains the favorable diagnostic change, reviews serial progress and separates the possibility of further awareness from the different question of future self-care needs.

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A patient has a convulsion two days after severe TBI and another first event four months later. The clinician distinguishes the acute symptomatic setting from the later event and reassesses recurrence risk rather than treating their timing as equivalent.

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Seven days after severe TBI, a patient has had no seizures and has no separate antiseizure indication. The rehabilitation handoff asks whether prophylaxis can end, distinguishing this decision from management of a patient with documented recurrent seizures.

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After an intracerebral hemorrhage, a patient has unexplained episodes of unresponsiveness despite stable imaging and glucose. A routine EEG between episodes is unrevealing. Continuous monitoring is arranged to evaluate intermittent electrographic seizures during the actual events.

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A stroke survivor's elbow extends almost fully with slow movement but catches during rapid extension. This pattern favors a substantial dynamic component. A second patient remains restricted at every speed, prompting attention to established shortening and joint limitations.

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A nonverbal patient develops increased leg spasms over one day. Examination identifies a distended bladder and blocked catheter. Restoring drainage addresses the precipitating problem, and the team reassesses tone before changing the long-term medication plan.

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After hypoxic brain injury, focal wrist and finger flexor overactivity prevents palm cleaning despite preserved passive range. The team selects the responsible muscles for treatment and measures whether caregivers can clean and dry the hand more easily afterward.

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A patient walks with stiff legs but uses extensor tone to rise from a chair. Before increasing an oral antispasticity agent, the team measures transfers, alertness and painful spasms, then judges whether the proposed change improves overall function.

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A patient after severe TBI drinks water quietly but develops recurrent lower respiratory infections. The speech-language pathologist recommends an instrumental examination because the absence of coughing has not established that swallowing is safe across volumes or consistencies.

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A medically fragile patient needs assessment of secretion management and repeated bedside trials. FEES offers practical advantages. Another patient needs clarification of bolus movement and timing across the swallow, making VFSS particularly useful for the clinical question.

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Instrumental testing shows that smaller paced sips reduce airway invasion for one patient, while a chin-down posture does not. The team teaches the demonstrated strategy and monitors whether memory impairment prevents reliable use during meals without direct supervision.

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A patient with a gastrostomy develops pneumonia while receiving no oral meals. The team evaluates secretions, oral hygiene, positioning and reflux instead of assuming that pneumonia excludes aspiration because nutrition bypasses the mouth during routine feeding periods.

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A patient who had begun following commands becomes slower and loses transfer ability several weeks later. The team checks medications and infection while arranging repeat imaging to investigate hydrocephalus and other structural explanations for the changed recovery trajectory.

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After a fall, a patient reports twenty seconds of spinning whenever she rolls onto her right side. After confirming that positioning is safe, the clinician performs Dix–Hallpike testing and interprets the elicited nystagmus. Horizontal or absent nystagmus with this history prompts supine roll testing rather than assuming posterior-canal disease.

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A patient after stroke has slurred speech but follows complex instructions and writes an accurate account of events. Another speaks fluently yet cannot follow simple requests. The team separates motor speech impairment from language dysfunction before choosing communication supports.

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A patient repeatedly misses therapy despite accurately discussing his schedule during sessions. Staff train one phone reminder linked to a visible destination cue and practise the complete sequence until he reliably leaves his room when the reminder occurs.

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During training with a medication dispenser, the therapist models the correct sequence and immediately guides uncertain steps instead of inviting repeated guesses. Prompts are gradually reduced, and performance is checked with the actual device in the patient's home routine.

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A patient can explain that he must bring his orthosis to therapy but repeatedly arrives without it. The team places the orthosis beside his departure checklist and rehearses taking it when the transport reminder sounds each morning.

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A patient performs poorly during afternoon tasks after fragmented sleep and a sedating medication change. The clinician reviews sleep, pain and medication timing, then reassesses attention under improved conditions before intensifying a demanding cognitive rehabilitation program.

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A patient improves on a computer attention game but still loses track while preparing lunch. Therapy shifts toward meal preparation in a graded environment, measuring omitted steps and gradually introducing the distractions encountered in his kitchen.

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An employee answers accurately when given time but misses instructions delivered rapidly during meetings. A return-to-work plan uses written agendas, one instruction at a time and pauses for confirmation, then evaluates performance before increasing the pace.

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A patient repeatedly starts several household jobs and finishes none. Therapy uses a goal-plan-do-review routine for preparing one meal, with planned checkpoints at which he compares progress with the intended sequence and chooses his next action.

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Before a cooking task, a patient predicts no errors. Afterward, he reviews the omitted steps with the therapist and compares prediction with performance. They select one checkpoint strategy and test whether his next prediction becomes more accurate.

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A previously calm patient begins pulling at equipment and striking staff overnight. Examination finds suprapubic fullness and poor urine output. The team relieves retention and reassesses behavior while reviewing other medical contributors and recent medication changes.

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A confused patient becomes distressed when several visitors speak simultaneously. Staff limit the group, lower background noise and use one speaker with brief explanations. They compare episode frequency across shifts using a consistent behavioral description and response plan.

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Staff record that shouting begins during hurried dressing and reliably ends when dressing stops. After excluding pain, they offer choices, slow the sequence and reinforce an agreed request for a pause, then track whether the episodes decrease.

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A patient remains seated unless prompted but enjoys family activities once engaged and denies sadness or hopelessness. The team evaluates initiation deficits and structured cueing while continuing a clinical mood assessment rather than diagnosing depression solely from low activity.

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A patient scores highly because of fatigue, poor sleep and concentration difficulty after TBI. The clinician explores mood, pleasure, duration, function and competing causes, and separately follows up an endorsed self-harm item with direct safety questions.

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For three weeks, a sixteen-year-old has new irritable mood most of nearly every day, nearly daily insomnia, appetite loss, fatigue and excessive guilt, totaling five symptoms with declining school and rehabilitation participation. Although anhedonia is absent, irritable mood can satisfy the adolescent mood criterion. The clinician assesses suicide risk and distinguishes the syndrome from baseline postinjury behavior, substance effects, direct medical causes and episodic mania or hypomania.

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Before treatment for depression, a patient describes a previous week of little sleep without fatigue, unusually expansive plans and damaging spending. The clinician seeks collateral information and assesses bipolar illness rather than proceeding on a unipolar formulation alone.

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A blast-exposed patient reports headaches and poor concentration, plus distressing trauma nightmares and avoidance of reminders. The clinician evaluates PTSD directly while continuing assessment of headache and cognitive problems, rather than requiring every symptom to have one cause.

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A veteran with persistent postconcussive complaints meets criteria for PTSD and can participate in structured sessions. The team offers trauma-focused treatment and monitors engagement, adding cognitive supports if needed instead of postponing all PTSD care until symptoms disappear.

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A patient understands trauma-focused sessions but forgets between-session assignments. The therapist adds a brief written plan, phone reminders and rehearsal of the assignment, then checks completion before deciding whether the treatment itself needs more substantial modification.

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A patient describes intent to die that evening, has obtained a lethal means and says he cannot trust himself alone. Staff maintain direct supervision, restrict access to dangerous items and arrange urgent psychiatric care in a protected setting.

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A patient without current intent can maintain safety and agrees to outpatient care. The clinician rehearses a short written plan, arranges follow-up and works with a trusted support person on secure storage of potentially lethal medications.

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A patient develops insomnia, tremulousness and irritability after abruptly stopping heavy alcohol use during rehabilitation admission. The team assesses withdrawal and medical stability while obtaining a longer mood history, rather than immediately diagnosing a new primary anxiety disorder.

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A patient develops a new headache two days after a concussion, with no previous comparable headaches. The timing supports posttraumatic attribution. A different patient's first headache eight months later requires broader diagnostic reasoning rather than automatic attribution to the old injury.

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A headache began the day after injury and remains present four months later. The clinician classifies it as persistent, then separately describes migraine-like attacks, functional impact and analgesic use to guide management and identify additional contributors to disability.

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A patient has injury-related headaches with nausea, light sensitivity and worsening during routine activity. The clinician records a migraine-like phenotype while retaining the posttraumatic attribution and checks for changing neurological signs before choosing a symptom-directed management approach.

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A patient has headache on 20 days each month and, for four months, takes acetaminophen on eight days and ibuprofen on eight different days monthly. The combined 16 non-opioid analgesic days meet that class's overuse threshold. Another patient uses a triptan on six days and an opioid on five different days monthly for four months; the combined 11 acute-treatment days warrant assessment for multiple-class medication-overuse headache.

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A patient spends ten hours in bed worrying about sleep but sleeps only five. After assessment for other contributors, the treatment plan uses structured CBT-I rather than repeating advice about caffeine and screens as the entire intervention.

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A patient routinely watches television and worries in bed for hours. The therapist develops a safe alternative quiet location and a consistent rising time, adapting the plan because the patient needs assistance when transferring during the night.

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A patient with persistent daytime sleepiness after TBI has witnessed apneas and loud snoring. The clinician arranges objective sleep evaluation rather than assuming that all sleepiness reflects the original injury or escalating alertness medication before assessing breathing.

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Polysomnography records ninety apneas and hypopneas during five hours of actual sleep. The index is eighteen events per hour, within the moderate range. Dividing by seven hours of recording time would incorrectly dilute the measured event frequency.

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One patient feels depleted after conversation but never dozes; another repeatedly falls asleep while watching television despite adequate reported sleep opportunity. The clinician distinguishes fatigue from sleepiness and tailors the history, medication review and sleep evaluation to each presentation.

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A patient's ankle cannot reach neutral even with slow movement and relaxation. The team documents fixed range loss, checks skin and bony alignment, and plans an intervention around standing and orthotic fit rather than expecting antispasticity medication alone to restore motion.

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Several weeks after severe TBI, a patient develops increasing hip pain, warmth and loss of passive movement. Despite an unrevealing early radiograph, the clinician evaluates heterotopic ossification with further imaging as appropriate while assessing infection, fracture and thrombosis.

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A patient can feel light touch but rarely shifts position without prompting. Staff inspect seating and skin, schedule assisted weight shifts and review a newly fitted orthosis, recognizing that preserved sensation has not translated into reliable protective behavior.

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A patient develops repeated episodes of sweating, hypertension, tachycardia and extensor posturing during turning, then settles between episodes. The team applies structured assessment while checking for infection, seizures, pain and withdrawal rather than diagnosing the syndrome from temperature alone.

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A patient has frequent small leaks, increasing restlessness and lower abdominal fullness. A bladder assessment identifies a large residual. The team addresses emptying and contributing medications instead of assuming that wet pads prove adequate bladder drainage throughout the day.

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A patient receiving opioids has small liquid smears but no substantial bowel movement for several days. The clinician evaluates stool retention and impaction before treating presumed diarrhea, then reviews hydration, mobility and the bowel regimen to prevent recurrence.

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Four months after severe TBI, a patient has exhaustion and reduced libido. Testing includes morning cortisol, free T4 with TSH, and morning testosterone with LH and FSH. A low free T4 despite a normal TSH prompts evaluation for central hypothyroidism. If he instead presents with hypotension and hypoglycemia, the team obtains urgent cortisol testing when feasible without delaying treatment for suspected adrenal crisis.

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An unconscious patient develops sustained high urine output, very dilute urine and rising sodium without hyperglycemia or diuretic exposure. The team urgently evaluates central diabetes insipidus and begins closely monitored management of water loss and the underlying hormonal deficit.

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A patient with an inflated tracheostomy cuff develops pooled secretions and recurrent respiratory infections. The team evaluates swallowing and secretion clearance instead of assuming that the cuff makes aspiration impossible or that its inflation alone establishes readiness for oral meals.

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A patient becomes hemodynamically stable 36 hours after severe TBI and cannot swallow safely. The team initiates enteral feeding within the 24–72-hour window, checks tolerance and records delivered intake. Repeated procedure-related interruptions prompt adjustments so that starting feeds leads to adequate nutritional delivery.

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By day five, a patient's charted feeding rate appears adequate, but delivered volumes show prolonged daily interruptions. The team calculates the shortfall and modifies delivery to approach the nutritional target rather than waiting until the second week to reassess.

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At 24 hours after injury, a bedbound patient with a nonoperatively managed isolated 4-mm subdural hematoma has an unchanged follow-up CT, normal renal function and no additional bleeding contraindication. The low-risk findings support starting LMWH prophylaxis rather than waiting several days. A patient after craniotomy requires assessment against postoperative timing and CT stability.