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Case 1 Male 40 years old, " Linesman " (Hydro Ontario) Referred for severe « dizzy spells » PRESENT ILLNESS: • First episode March 1997 (1h) and June 1997 (2h45) • Daily DIZZY SPELLS, completely incapacitating, since fall 97 • Stopped working 3 1/2 years ago • 2 operations on the left ear in 1998 Ottawa Case 1 Male 40 years old, Past history: Negative Rx: None Functional inquiry: Negative - No neurological symptoms - Anxiety ++: fear of MS Physical: BP 130/84 HR 72 - ENT: Decreased hearing left ear - Lungs: Normal - Heart: S1-S2 normal; no murmur - Neuro: Normal Diagnosis: ??? Ottawa " DIZZINESS " evaluation Type I: Vertigo (Vestibular - Central Nervous System) Type II: Presyncope (Cardiovascular) Type III: Walking disequilibrium (Neuromuscular) Type IV: Light headedness (Plus non specific symptoms) (Hyperventilation) “Dizziness” Type 1: VERTIGO (temporary disequilibrium, rotating movement) (Vestibular – Central nervous system) History Vertigo VESTIBULAR CENTRAL NERVOUS SYSTEM Symptoms - Signs: Diplopia - Dysarthria Bilateral Loss of vision Hemiparesis - Hypoesthesia – Ataxia – Cranial nerves Nystagmus Peripherical vestibular vertigo Syndrome Duration Periodicity Other Labyrinthitis (Vest.N.) 2 days-2 weeks 0 0 Recurrent neuronitis 10 min - 20 hrs. + recurrent 0 Meniere’s disease 10 min – 20 hrs. ++ recurrent Tinnitus Hearing Positional vertigo < 1 minute +++ recurrent ∆ Position Dix Hallpike Dix Hallpike Dix Hallpike POSITIVE Positive confirms the diagnosis " Subjective ": suggests the diagnosis " Objective ": NEGATIVE Négative Does not rule out the diagnosis! History Epley’s manoeuver Positional vertigo: Inform the Patient Inform the Patient Day 1: vertical position - sleeping, head elevated Normal activities afterward Recurrence rate: 15% (Mobile otoliths) Recurrence Recurrence Provoke vertigo in left -right decubitus (Identifies involved ear) Repeat posterior canal manoeuvre (Patient himself) Horizontal canal?: specific manoeuvre Epley’s manoeuvre: FAILURE? 1) Wrong diagnosis 2) Wrong ear: cervical arthrosis 3) Wrong position: position “C” 4) Wrong “timing”: >1 1/2 min in each position 5) Wrong canal: horizontal canal? (other manoeuvre) “Yes we can President Obama “YES WE!”CAN…! President Obama RECOMMANDATIONS: “Clinical practice guideline: Benign paroxysmal positional vertigo” Otolaryngology-Head and neck Surgery; November 2008: 139: S47-S81 1) BPV diagnoses is certain: BPV clinical history + Dix-Hall Pike (+) 2) “Clinicians should not obtain radiographic imaging, vestibular testing, or either in a patient diagnosed with BPV.” 3) “Clinicians should not routinely treat BPV with vestibular suppressant medications such as antihistamines or benzodiazepines.” (no Serc) 4) “Clinicians should treat patients with posterior canal BPV with particle repositioning maneuver.” (Epley) 5) Clinicians should revaluate the patient one month after repositioning maneuver. Case 4 Male 51 years old ER 14/09/02: Presented 2 “dizzy spells” in the morning while attending a conference Presents with episodes of sudden “fatigue” or “weakness” lasting 5 minutes for 10 years. Frequency 4 to 6 a year. Has been treated for “hypoglycemia”. Does not drive his car outside Montreal, fearing a spell while driving! PAST HISTORY: Bilroth II 0 Rx 0 Alcohol FUNCTIONAL INQUIRY: NEGATIVE (Neuro.- Cardio - Vascular) PHYSICAL: BP 140/82 HR 72 reg. OTHERWISE: NORMAL (Cardiovascular) Presyncope Presyncope = cardiovascular syncope Syncope System Onset Recovery • Cardiovascular (90%) Sudden Sudden •Neuro (epilepsy) Sudden Slow •Metabolic Slow Slow Presyncope « MER » Mechanical: Aortic Stenosis - Left atrium Myxoma Electric: Bradycardia, tachycadia (supra. or ventricular) AV block, prolonged sinus pauses... Reflex: Vagal - " cardiac reflex " - micturition - etc. Presyncope Initial evaluation • History (sens. 95% - spec. 45%) • Physical • ECG Opinion Specific diagnosis Normal heart/Sick heart Presyncope Normal Heart • Reflex: 70% Sick Heart • Electric: > 70% LV Dysfonction: ventricular tachycardia History Reflex Cardiac Normal Heart Sick Heart • Past history • Past History - Medication • Onset: Young age • Onset: Advanced age • Position: Standing • Position: Lying down • Activity: Micturition - cough - etc. • Stimulus: Pain - Discomfort • Concomitant Symptoms: – Nausea - Vomiting – Yawning - Fatigue +++ • Concomitant Symptoms: – Chest pains – Palpitations Physical • BP Lying - Standing: orthostatic hypotention • BP < 90 mmHg or ∆ BP systolic: > 20 mmHg standing position • Carotid sinus massage • Aortic murmur • Heart failure signs: • jugular veins - pulmonary rales • S3(+) - Legs oedema Electrocardiogram • Sinus bradycardia (diagnostic if < 40) - sinus pause > 3 seconds • Bifascicular bundle branch block • Second degree AV block (Mobitz I) • Prolonged QT (> 500 milliseconds) • WPW • Brugada’s syndrome • Supraventricular or ventricular tachycardia • Myocardial infarction (old or new) Specific Evaluation Normal Heart Sick Heart • Ambulatory Monitoring • Carotid Sinus Massage • Loop Recorder • Hospit - Ambul. Monitoring • Echo - Treadmill • Loop Recorder • Tilt Table Test • EPS Case 3 Woman 48 years old First evaluation: 21-08-2001 “Dizzy spells”: 2 types • Vertigo < 1 min changing position, with nausea - vomiting • (Left lateral decubitus) - recurrent since a car accident in 1993 Dix Hallpike (+) left: Epley left ear • Presyncope - syncope (Sudden onset - recovery). Began at age 16 always in standing position, more often with stimulus (dysmenorrhea and sometimes with nausea induced by BPV) Case 3 Woman 48 years old (continued) Second evaluation: 12-12-2001 Severe disabling “dizzy spells” • Weakness – Light headedness - " spins in the head " • Concentration difficulty • Palpitations - Shortness of breath - " Lasts all day " followed by intense fatigue feeling • Since 08/ 01 no “vertigo” while changing position - no syncope Past history - Functional inquiry - Physical : NORMAL Diagnosis: ??? Provoke patient’s hyperventilation • Identification by the patient of the cause of his symptoms • Explanation of “respiratory alcalosis” • Recognition of stopping the symptoms by breath holding • Elaboration of strategies for stress management “Break vicious circle” « Dizziness, Syncope » WWW.LEMIEUXBEDARD.COM/EMC History