harishnair04/mtsamples huggingface dataset:
EMG/Nerve Conduction Study - 6 
Medical specialty:  Neurology
 Patient with a past medical history of a left L5-S1 lumbar microdiskectomy with complete resolution of left leg symptoms.

HISTORY:,  The patient is a 46-year-old right-handed gentleman with a past medical history of a left L5-S1 lumbar microdiskectomy in 1998 with complete resolution of left leg symptoms, who now presents with a four-month history of gradual onset of right-sided low back pain with pain radiating down into his buttock and posterior aspect of his right leg into the ankle.  Symptoms are worsened by any activity and relieved by rest.  He also feels that when the pain is very severe, he has some subtle right leg weakness.  No left leg symptoms.  No bowel or bladder changes.,On brief examination, full strength in both lower extremities.  No sensory abnormalities.  Deep tendon reflexes are 2+ and symmetric at the patellas and absent at both ankles.  Positive straight leg raising on the right.,MRI of the lumbosacral spine was personally reviewed and reveals a right paracentral disc at L5-S1 encroaching upon the right exiting S1 nerve root.,NERVE CONDUCTION STUDIES:,  Motor and sensory distal latencies, evoked response amplitudes, and conduction velocities are normal in the lower extremities.  The right common peroneal F-wave is minimally prolonged.  The right tibial H reflex is absent.,NEEDLE EMG:,  Needle EMG was performed on the right leg, left gastrocnemius medialis muscle, and right lumbosacral paraspinal muscles using a disposable concentric needle.  It revealed spontaneous activity in the right gastrocnemius medialis, gluteus maximus, and lower lumbosacral paraspinal muscles.  There was evidence of chronic denervation in right gastrocnemius medialis and gluteus maximus muscles.,IMPRESSION: , This electrical study is abnormal.  It reveals an acute right S1 radiculopathy.  There is no evidence for peripheral neuropathy or left or right L5 radiculopathy.,Results were discussed with the patient and he is scheduled to follow up with Dr. X in the near future.
Electroencephalogram - 4 
Medical specialty:  Neurology
 A 21-channel digital electroencephalogram was performed on a patient in the awake state.

PROCEDURE:,  A 21-channel digital electroencephalogram was performed on a patient in the awake state.  Per the technician's notes, the patient is taking Depakene.,The recording consists of symmetric 9 Hz alpha activity.  Throughout the recording, repetitive episodes of bursts of 3 per second spike and wave activity are noted.  The episodes last from approximately1 to 7 seconds.  The episodes are exacerbated by hyperventilation.,IMPRESSION:,  Abnormal electroencephalogram with repetitive bursts of 3 per second spike and wave activity exacerbated by hyperventilation.  This activity could represent true petit mal epilepsy.  Clinical correlation is suggested.
EMG/Nerve Conduction Study - 1 
Medical specialty:  Neurology
 The patient with longstanding bilateral arm pain, which is predominantly in the medial aspect of arms and hands, as well as left hand numbness, worse at night and after doing repetitive work with left hand.

HISTORY: , The patient is a 52-year-old right-handed female with longstanding bilateral arm pain, which is predominantly in the medial aspect of her arms and hands as well as left hand numbness, worse at night and after doing repetitive work with her left hand.  She denies any weakness.  No significant neck pain, change in bowel or bladder symptoms, change in gait, or similar symptoms in the past.  She is on Lyrica for the pain, which has been somewhat successful.,Examination reveals positive Phalen's test on the left.  Remainder of her neurological examination is normal.,NERVE CONDUCTION STUDIES:  ,The left median motor distal latency is prolonged with normal evoked response amplitude and conduction velocity.  The left median sensory distal latency is prolonged with an attenuated evoked response amplitude.  The right median sensory distal latency is mildly prolonged with a mildly attenuated evoked response amplitude.  The right median motor distal latency and evoked response amplitude is normal.  Left ulnar motor and sensory and left radial sensory responses are normal.  Left median F-wave is normal.,NEEDLE EMG:,  Needle EMG was performed on the left arm, right first dorsal interosseous muscle, and bilateral cervical paraspinal muscles.  It revealed spontaneous activity in the left abductor pollicis brevis muscle.  There is increased insertional activity in the right first dorsal interosseous muscle.  Both interosseous muscles showed signs of reinnervation.  Left extensor digitorum communis muscle showed evidence of reduced recruitment.  Cervical paraspinal muscles were normal.,IMPRESSION: , This electrical study is abnormal.  It reveals the following:  A left median neuropathy at the wrist consistent with carpal tunnel syndrome.  Electrical abnormalities are moderate-to-mild bilateral C8 radiculopathies.  This may be an incidental finding.,I have recommended MRI of the spine without contrast and report will be sent to Dr. XYZ.  She will follow up with Dr. XYZ with respect to treatment of the above conditions.
Electroencephalogram - 2 
Medical specialty:  Neurology
 Electroencephalogram (EEG).  This is an 18-channel recording obtained using the standard scalp and referential electrodes observing the 10/20 international system.

REPORT:  ,This is an 18-channel recording obtained using the standard scalp and referential electrodes observing the 10/20 international system.  The patient was reported to be cooperative and was awake throughout the recording.,CLINICAL NOTE:  ,This is a 51-year-old male, who is being evaluated for dizziness.  Spontaneous activity is fairly well organized, characterized by low-to-medium voltage waves of about 8 to 9 Hz seen mainly from the posterior head region.  Intermixed with it is a moderate amount of low voltage fast activity seen from the anterior head region.,Eye opening caused a bilateral symmetrical block on the first run.  In addition to the above description, movement of muscle and other artifacts are seen.,On subsequent run, no additional findings were seen.,During subsequent run, again no additional findings were seen.,Hyperventilation was omitted.,Photic stimulation was performed, but no clear-cut photic driving was seen.,EKG was monitored during this recording and it showed normal sinus rhythm when monitored.,IMPRESSION:  ,This record is essentially within normal limits.  Clinical correlation is recommended.
Electroencephalogram - 1 
Medical specialty:  Neurology
 Electroencephalogram (EEG).  Photic stimulation reveals no important changes.  Essentially normal.

REPORT:,  The electroencephalogram shows background activity at about 9-10 cycle/second bilaterally.  Little activity in the beta range is noted.  Waves of 4-7 cycle/second of low amplitude were occasionally noted.  Abundant movements and technical artifacts are noted throughout this tracing.  Hyperventilation was not performed.  Photic stimulation reveals no important changes.,CLINICAL INTERPRETATION:,  The electroencephalogram is essentially normal.
EMG/Nerve Conduction Study - 2 
Medical specialty:  Neurology
 A ight-handed inpatient with longstanding history of cervical spinal stenosis status post decompression, opioid dependence, who has had longstanding low back pain radiating into the right leg.

HISTORY: , The patient is a 78-year-old right-handed inpatient with longstanding history of cervical spinal stenosis status post decompression, opioid dependence, who has had longstanding low back pain radiating into the right leg.  She was undergoing a spinal epidural injection about a month ago and had worsening of right low back pain, which radiates down into her buttocks and down to posterior aspect of her thigh into her knee.  This has required large amounts of opioid analgesics to control.  She has been basically bedridden because of this.  She was brought into hospital for further investigations.,PHYSICAL EXAMINATION: , On examination, she has positive straight leg rising on the right with severe shooting, radicular type pain with right leg movement.  Difficult to assess individual muscles, but strength is largely intact.  Sensory examination is symmetric.  Deep tendon reflexes reveal hyporeflexia in both patellae, which probably represents a cervical myelopathy from prior cord compression.  She has slightly decreased right versus left ankle reflexes.  The Babinski's are positive.  On nerve conduction studies, motor and sensory distal latencies, evoked response amplitudes, conduction velocities, and F-waves are normal in lower extremities.,NEEDLE EMG: , Needle EMG was performed on the right leg and lumbosacral paraspinal muscles using a disposable concentric needle.  It reveals the spontaneous activity in right peroneus longus and gastrocnemius medialis muscles as well as the right lower lumbosacral paraspinal muscles.  There is evidence of denervation in right gastrocnemius medialis muscle.,IMPRESSION: , This electrical study is abnormal.  It reveals the following:,1.  Inactive right S1 (L5) radiculopathy.,2.  There is no evidence of left lower extremity radiculopathy, peripheral neuropathy or entrapment neuropathy.,Results were discussed with the patient and she is scheduled for imaging studies in the next day.
Electroencephalogram 
Medical specialty:  Neurology
 Normal awake and drowsy (stage I sleep) EEG for patient's age.

DESCRIPTION OF RECORD:  ,This tracing was obtained utilizing 27 paste-on gold-plated surface disc electrodes placed according to the International 10-20 system.  Electrode impedances were measured and reported at less than 5 kilo-ohms each.,FINDINGS: , In general, the background rhythms are bilaterally symmetrical.  During the resting awake state they are composed of moderate amounts of low amplitude fast activity intermixed with moderate amounts of well-modulated 9-10 Hz alpha activity best seen posteriorly.  The alpha activity attenuates with eye opening.,During some portions of the tracing the patient enters a drowsy state in which the background rhythms are composed predominantly of moderate amounts of low amplitude fast activity intermixed with moderate amounts of low to medium amplitude polymorphic theta activity.,There is no evidence of focal slowing or paroxysmal activity.,IMPRESSION: , Normal awake and drowsy (stage I sleep) EEG for patient's age.
Electroencephalogram - 3 
Medical specialty:  Neurology
 Abnormal electroencephalogram revealing generalized poorly organized slowing, with more prominent slowing noted at the right compared to the left hemisphere head regions and rare sharp wave activity noted bilaterally, somewhat more prevalent on the right. 

IMPRESSION:,  Abnormal electroencephalogram revealing generalized poorly organized slowing, with more prominent slowing noted at the right compared to the left hemisphere head regions and rare sharp wave activity noted bilaterally, somewhat more prevalent on the right.  Clinical correlation is suggested.
EMG/Nerve Conduction Study 
Medical specialty:  Neurology
 History of numbness in both big toes and up the lateral aspect of both calves.  She dose complain of longstanding low back pain, but no pain that radiates from her back into her legs.  She has had no associated weakness.

HISTORY:,  The patient is a 52-year-old female with a past medical history of diet-controlled diabetes, diffuse arthritis, plantar fasciitis, and muscle cramps who presents with a few-month history of numbness in both big toes and up the lateral aspect of both calves.  Symptoms worsened considerable about a month ago.  This normally occurs after being on her feet for any length of time.  She was started on amitriptyline and this has significantly improved her symptoms.  She is almost asymptomatic at present.  She dose complain of longstanding low back pain, but no pain that radiates from her back into her legs.  She has had no associated weakness.,On brief examination, straight leg raising is normal.  The patient is obese.  There is mild decreased vibration and light touch in distal lower extremities.  Strength is full and symmetric.  Deep tendon reflexes at the knees are 2+ and symmetric and absent at the ankles.,NERVE CONDUCTION STUDIES: , Bilateral sural sensory responses are absent.  Bilateral superficial sensory responses are present, but mildly reduced.  The right radial sensory response is normal.  The right common peroneal and tibial motor responses are normal.  Bilateral H-reflexes are absent.,NEEDLE EMG:,  Needle EMG was performed on the right leg and lumbosacral paraspinal muscles and the left tibialis posterior using a concentric disposable needle.  It revealed increased insertional activity in the right tibialis posterior muscle with signs of mild chronic denervation in bilateral peroneus longus muscles and the right tibialis posterior muscle.  Lumbar paraspinals were attempted, but were too painful to get a good assessment.,IMPRESSION:  ,This electrical study is abnormal.  It reveals the following:,1.  A very mild, purely sensory length-dependent peripheral neuropathy.,2.  Mild bilateral L5 nerve root irritation.  There is no evidence of active radiculopathy.,Based on the patient's history and exam, her new symptoms are consistent with mild bilateral L5 radiculopathies.  Symptoms have almost completely resolved over the last month since starting Elavil.  I would recommend MRI of the lumbosacral spine if symptoms return.  With respect to the mild neuropathy, this is probably related to her mild glucose intolerance/early diabetes.  However, I would recommend a workup for other causes to include the following:  Fasting blood sugar, HbA1c, ESR, RPR, TSH, B12, serum protein electrophoresis and Lyme titer.
EEG 
Medical specialty:  Neurology
 Possible cerebrovascular accident.  The EEG was obtained using 21 electrodes placed in scalp-to-scalp and scalp-to-vertex montages. 

DIAGNOSIS:,  Possible cerebrovascular accident.,DESCRIPTION: , The EEG was obtained using 21 electrodes placed in scalp-to-scalp and scalp-to-vertex montages.  The background activity appears to consist of fairly organized somewhat pleomorphic low to occasional medium amplitude of 7-8 cycle per second activity and was seen mostly posteriorly bilaterally symmetrically.  A large amount of movement artifacts and electromyographic effects were noted intermixed throughout the recording session.  Transient periods of drowsiness occurred naturally producing irregular 5-7 cycle per second activity mostly over the anterior regions.  Hyperventilation was not performed.  No epileptiform activity or any definite lateralizing findings were seen.,IMPRESSION: , Mildly abnormal study.  The findings are suggestive of a generalized cerebral disorder.  Due to the abundant amount of movement artifacts, any lateralizing findings, if any cannot be well appreciated.  Clinical correlation is recommended.
EEG Monitoring Study 
Medical specialty:  Neurology
 This is a 95.5-hour continuous video EEG monitoring study.

TECHNICAL SUMMARY: , The patient was recorded from 2:15 p.m. on 08/21/06 through 1:55 p.m. on 08/25/06.  The patient was recorded digitally using the 10-20 system of electrode placement.  Additional temporal electrodes and single channels of EOG and EKG were also recorded.  The patient's medications valproic acid, Zonegran, and Keppra were weaned progressively throughout the study.,The occipital dominant rhythm is 10 to 10.5 Hz and well regulated.  Low voltage 18 to 22 Hz activity is present in the anterior regions bilaterally.,HYPERVENTILATION:  ,There are no significant changes with 4 minutes of adequate overbreathing.,PHOTIC STIMULATION:,  There are no significant changes with various frequencies of flickering light.,SLEEP: , There are no focal or lateralizing features and no abnormal waveforms.,INDUCED EVENT: , On the final day of study, a placebo induction procedure was performed to induce a clinical event.  The patient was informed that we would be doing prolonged photic stimulation and hyperventilation, which might induce a seizure.  At 1:38 p.m., the patient was instructed to begin hyperventilation.  Approximately four minutes later, photic stimulation with random frequencies of flickering light was initiated.  Approximately 8 minutes into the procedure, the patient became unresponsive to verbal questioning.  Approximately 1 minute later, she began to exhibit asynchronous shaking of her upper and lower extremities with her eyes closed.  She persisted with the shaking and some side-to-side movements of her head for approximately 1 minute before abruptly stopping.  Approximately 30 seconds later, she became slowly responsive initially only uttering a few words and able to say her name.  When asked what had just occurred, she replied that she was asleep and did not remember any event.  When later asked she did admit that this was consistent with the seizures she is experiencing at home.,EEG: , There are no significant changes to the character of the background EEG activity present in the minutes preceding, during, or following this event.  Of note, while her eyes were closed and she was non-responsive, there is a well-regulated occipital dominant rhythm present.,IMPRESSION:,  The findings of this patient's 95.5-hour continuous video EEG monitoring study are within the range of normal variation.  No epileptiform activity is present.  One clinical event was induced with hyperventilation and photic stimulation.  The clinical features of this event are described in the technical summary above.  There was no epileptiform activity associated with this event.  This finding is consistent with a non-epileptic pseudoseizure.
Dural AVM 
Medical specialty:  Neurology
 Patient with episode of lightheadedness and suddenly experienced vertigo.

CC: ,Vertigo.,HX: ,This 61y/o RHF experienced a 2-3 minute episode of lightheadedness while driving home from the dentist in 5/92. In 11/92, while eating breakfast, she suddenly experienced vertigo. This was immediately followed by nausea and several episodes of vomiting. The vertigo lasted 2-3minutes. She retired to her room for a 2 hour nap after vomiting. When she awoke, the symptoms had resolved. On 1/13/93 she had an episode of right arm numbness lasting 4-5hours. There was no associated weakness, HA, dysarthria, dysphagia, visual change, vertigo or lightheadedness.,OUTSIDE RECORDS:, 12/16/92 Carotid Doppler (RICA 30-40%, LICA 10-20%). 12/4/92, brain MRI revealed a right cerebellar hypodensity consistent with infarct.,MEDS:, Zantac 150mg bid, Proventil MDI bid, Azmacort MDI bid, Doxycycline 100mg bid, Premarin 0.625mg qd, Provera 2.5mg qd. ASA 325mg qd.,PMH:, 1)MDD off antidepressants since 6/92. 2)asthma. 3)allergic rhinitis. 4)chronic sinusitis. 5)s/p Caldwell-Luc 1978, and nasal polypectomy. 6) GERD. 7)h/o elevated TSH. 8)hypercholesterolemia 287 on 11/20/93. 9)h/o heme positive stool: BE 11/24/92 and UGI 11/25/92 negative.,FHX: ,Father died of a thoracic aortic aneurysm, age 71. Mother died of stroke, age 81.,SHX:, Married. One son deceased. Salesperson. Denied tobacco/ETOH/illicit drug use.,EXAM,: BP (RUE)132/72 LUE (136/76). HR67 RR16 Afebrile. 59.2kg.,MS: A&O to person, place, time. Speech fluent and without dysarthria. Thought lucid.,CN: unremarkable.,Motor: 5/5 strength throughout with normal muscle bulk and tone.,Sensory: No deficits appreciated.,Coord: unremarkable.,Station: no pronator drift, truncal ataxia, or Romberg sign.,Gait: not done.,Reflexes: 2/2 throughout BUE and at patellae. 1/1 at Achilles. Plantar responses were flexor, bilaterally.,Gen Exam: Obese.,COURSE: ,CBC, GS, PT/PTT, UA were unremarkable. The patient was admitted with a working diagnosis of posterior circulation TIA and history of cerebellar stroke. She was placed on Ticlid 250mg bid. HCT,1/15/93: low density focus in the right medial and posterior cerebellar hemisphere. MRI and MRA, 1/18/93, revealed a well circumscribed lesion within the posterior aspect of the right cerebellar hemisphere suggestive of vascular malformation (e.g. cavernous angioma. An abnormal vascular blush was seen on the MRA. This area appeared to be supplied by one of the external carotid arteries (which one is was not specified). this finding maybe suggestive of a vascular malformation. 1/20/93 Cerebral Angiogram: The right cerebellar hemisphere lesion seen on MRI as a possible cavernous angioma was not seen on angiography. Upon review of the MRI and HCT the lesion was felt to probably represent an old infarction with hemosiderin deposition. The "vascular blush" seen on MRA was no visualized on angiography. The patient was discharged home on 1/25/93.
Dandy-Walker Malformation 
Medical specialty:  Neurology
 CT Brain - unshunted hydrocephalus, Dandy-Walker Malformation.

CC:, Seizure D/O,HX:, 29 y/o male with cerebral palsy, non-shunted hydrocephalus, spastic quadriplegia, mental retardation, bilateral sensory neural hearing loss, severe neurogenic scoliosis and multiple contractures of the 4 extremities, neurogenic bowel and bladder incontinence, and a history of seizures.,He was seen for evaluation of seizures which first began at age 27 years, two years before presentation. His typical episodes consist of facial twitching (side not specified), unresponsive pupils, and moaning. The episodes last approximately 1-2 minutes in duration and are followed by post-ictal fatigue. He was placed on DPH, but there was no record of an EEG prior to presentation. He had had no seizure events in over 1 year prior to presentation while on DPH 100mg--O--200mg. He also complained of headaches for the past 10 years.,BIRTH HX:, Spontaneous Vaginal delivery at 36weeks gestation to a G2P1 mother. Birth weight 7#10oz. No instrumentation required. Labor = 11hours. "Light gas anesthesia" given. Apgars unknown. Mother reportedly had the "flu" in the 7th or 8th month of gestation.,Patient discharged 5 days post-partum.,Development: spoke first words between 1 and 2 years of age. Rolled side to side at age 2, but did not walk. Fed self with hands at age 2 years. Never toilet trained.,PMH: ,1)Hydrocephalus manifested by macrocephaly by age 2-3 months. Head circumference 50.5cm at 4 months of age (wide sutures and bulging fontanels). Underwent ventriculogram, age 4 months, which illustrated massive enlargement of the lateral ventricles and normal sized aqueduct and 4th ventricle. The cortex of the cerebral hemisphere was less than 1cm. in thickness; especially in the occipital regions where only a thin rim of tissue was left. Neurosurgical intervention was not attempted and the patient deemed inoperable at the time. By 31 months of age the patients head circumference was 68cm, at which point the head size arrested. Other problems mentioned above.,SHX: ,institutionalized at age 18 years.,FHX: ,unremarkable.,EXAM:, Vitals unknown.,MS: awake with occasional use of intelligible but inappropriately used words.,CN: Rightward beating nystagmus increase on leftward gaze. Right gaze preference. Corneal responses were intact bilaterally. Fundoscopic exam not noted.,Motor: spastic quadriparesis. moves RUE more than other extremities.,Sensory: withdrew to PP in 4 extremities.,Coord: ND,Station: ND,Gait: ND, wheel chair bound.,Reflexes: RUE 2+, LUE 3+, RLE 4+ with sustained cross adductor clonus in the right quadriceps. LLE 3+.,Other: Macrocephaly (measurement not given). Scoliosis. Rest of general exam unremarkable except for numerous abdominal scars.,COURSE:, EEG 8/26/92: Abnormal with diffuse slowing and depressed background (left worse than right) and poorly formed background activity at 5-7hz. Right posterior sharp transients, and rhythmic delta-theta bursts from the right temporal region. The findings are consistent with diffuse cerebral dysfunction and underlying seizure tendency of multifocal origin.