nyu medical grand rounds clinical vignette glenn dym, md pgy3 tuesday, april 24 th, 2012 u nited s...
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NYU Medical Grand Rounds Clinical Vignette
Glenn Dym, MDPGY3
Tuesday, April 24th, 2012
UNITED STATES
DEPARTMENT OF VETERANS
AFFAIRS
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• 26 year-old Asian woman presents with acute-onset altered mental status associated with loss of consciousness
Chief Complaint
UNITED STATES
DEPARTMENT OF VETERANS
AFFAIRS
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•The patient was in her usual state of health until the day of admission, when she noted a mild headache and nausea in the afternoon, which resolved with Tyenlol. •Around dinner time, the patient was walking with her family, and she suddenly collapsed to the ground. Per the family, her eyes rolled to the back of her head, she began foaming at the mouth, and experienced generalized tonic-clonic movements of all four extremities.
History of Present Illness
UNITED STATES
DEPARTMENT OF VETERANS
AFFAIRS
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•At this point, the family called EMS, and the patient was brought in by ambulance to Bellevue Hospital for further management.
History of Present Illness
UNITED STATES
DEPARTMENT OF VETERANS
AFFAIRS
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Additional History
•Past Medical History:•None
•Past Surgical History:•None
•Social History:•No known tobacco, alcohol or drug use•Patient lives with her family
•Family History:•Non-contributory
•Allergies: •No Known Drug Allergies
•Medications:•Tylenol prn
UNITED STATES
DEPARTMENT OF VETERANS
AFFAIRS
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Physical Examination
•General: patient appeared disoriented and mildly agitated
•Vital Signs: T: 95.6°F BP: 106/51 HR: 84 RR: 15 and O2 sat: 100% on room air
•Neuro: alert but not oriented to person, place, or time. Moving all limbs spontaneously.
•Remainder of physical exam was normal
UNITED STATES
DEPARTMENT OF VETERANS
AFFAIRS
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Laboratory Findings
•CBC: Hemoglobin 11.1g/dl (12-16)•Remainder of CBC was within normal limits
•Basic Metabolic panel:•Sodium 124meq/L (137-147)•Potassium 3.2meq/L (3.6-5.2)•Chloride 91meq/L (99-112)•Bicarbonate 20meq/L (23-32)•Glucose 214 mg/dl (70-99)•Remainder of basic was within normal limits
•Hepatic panel was within normal limitsUNITED STATES
DEPARTMENT OF VETERANS
AFFAIRS
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Laboratory Findings
•Prolactin: 43.8ng/ml (0-25)
•Creatine Kinase: 776U/L (35-155)
•Serum Osmolality: 247mosm/kg (277-302)
•Urine Osmolality: 332mmol (50-1000)•Urine Sodium: 94meq/L•Urinalysis: 2+ ketones
UNITED STATES
DEPARTMENT OF VETERANS
AFFAIRS
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Other Studies
•ECG: 1st degree AV Block (PR 256) and R>S in V1,V2
•Head CT: no acute intracranial injury
UNITED STATES
DEPARTMENT OF VETERANS
AFFAIRS
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• Syndrome of Inappropriate ADH leading to metabolic seizure due to hyponatremia– Etiologies considered include:
• CNS Infectious (i.e. meningitis, encephalitis)• Toxic (i.e. drug overdose)• Occult malignancy
Working Diagnosis
UNITED STATES
DEPARTMENT OF VETERANS
AFFAIRS
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• Hospital Day 1:– The patient received 1 dose each of
vancomycin and ceftriaxone, and acyclovir was initiated empirically.
– A lumbar puncture was performed which revealed 2 RBCs and 1 WBC, negative gram stain, glucose of 67mg/dl (40-80), protein 25.5mg/dl (15-45); VDRL and HSV panels were sent and pending at this time.
Hospital Course
UNITED STATES
DEPARTMENT OF VETERANS
AFFAIRS
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• Hospital Day 1:– The patient’s sodium auto-corrected to 141
from 124 in less than 24 hours, and so the decision was made to transfer the patient to the MICU for more frequent sodium monitoring and D5W therapy.
• Hospital Day 2:– The patient’s sodium remained stable in the
MICU for 36 hours, and her mental status improved to her baseline.
Hospital Course
UNITED STATES
DEPARTMENT OF VETERANS
AFFAIRS
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• Hospital Day 3:– Patient transferred to the floor– Acyclovir discontinued
• Hospital Day 4:– Uneventful
• Hospital Day 5:– CSF HSV-1 results return positive– Acyclovir therapy reinstituted
Hospital Course
UNITED STATES
DEPARTMENT OF VETERANS
AFFAIRS
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• Acute HSV-1 Encephalitis
Final Diagnosis
UNITED STATES
DEPARTMENT OF VETERANS
AFFAIRS