Pratica di Shadowing: SVINutes: Pulsatile Tinnitus - Impara a parlare inglese con i video
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Hello, my name is Dr. Fazeev Siddiqui.
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I'm a clinical adjunct professor at the University of Michigan at Michigan State University.
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Today, I will guide you through the evaluation of pulsatile tinnitus, a condition that can reveal critical underlying vascular abnormalities.
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Pulsed-style tinnitus is a rhythmic sound often in sync with the heartbeat.
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Unlike common tinnitus, typically a ringing sound, pulsed-style tinnitus is often caused by vascular abnormalities that create vibrations transmitted to the ear.
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Pulse slide tinnitus can be heard as whooshing, thumping, or whooping noises.
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A thorough assessment is crucial.
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The first step, always take a comprehensive history.
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Ask about the timing and onset and if it's unilateral or bilateral.
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Next, move to the physical exam.
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Pay close attention to blood pressure as hypertension can contribute.
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Don't forget to auscultate the neck and skull for any bruise, indicating turbulent blood flow pointing to an underlying vascular issue.
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If the initial assessment is concerning, the next step is imaging.
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A brain MRI with MR angiography
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or a CT angiogram is typically the first line modality to evaluate for vascular abnormalities like arteriovenous malformation or dural fistula.
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A diagnostic cerebral endogram can be performed if there is a strong suspicion on screening non-invasive imaging.
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Common causes include arteriovenous malformation, dural arteriovenous fistula, and carotid artery stenosis.
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Other less common causes include venous sinus stenosis, sigmoid diverticulum, aberrant carotid artery, and cerebral aneurysm.
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Recognizing these early can prevent severe complications like a stroke or hemorrhage.
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A dual arterial systula is an abnormal connection between arteries and veins within the dual matter.
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This bypasses the normal capillary system, forcing high-pressure arterial blood directly into the venous system.
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The result is turbulent blood flow in the dual venous sinuses.
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This turbulence generates vibrations which can be transmitted through the surrounding tissue to the cochlea, causing pulsed tinnitus.
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If left untreated, dural arterioleus fistula can lead to complications like intracranial hemorrhage or venous congestion, making early diagnosis critical.
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Another common vascular cause of pulsed tinnitus is carotid artery stenosis, which occurs when and the carotid artery narrows due to plaque buildup or other factors.
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This narrowing creates turbulent blood flow as the high-pressure blood moves through the constricted segment.
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Carotid artery stenosis is a significant risk for ischemic stroke and, if identified early, can be managed safely with carotid enderectomy or stenting.
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Venous disorders are another important cause of pustile tinnitus.
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Common conditions include venous sinus stenosis, which narrows major venous pathways like the the transfer sinus or sigmoid sinus,
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leading to turbulent blood flow and elevated venous pressure.
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Other venous causes include jugular bulb abnormalities, such as high riding bulb or diverticulum, which may create vibrations that propagate to the inner ear.
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Recognizing venous causes early is crucial, as they may contribute to symptoms of intracanial hypertension or other complications requiring targeted treatment.
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Let's look at a quick case.
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A 78-year-old man with a remote history of pulsoil tinnitus presented with headaches.
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An MRI brain revealed a cerebellar hematoma.
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A diagnostic angiogram demonstrated a high-grade complex arteriovenous fistula with multiple arterial feeders.
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Multiple arterial embolization attempts could not completely resolve the fistula.
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Hence, a coil embolization of the non-functional left transfer sinus was performed.
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A complete cure was achieved after the venous sinus sacrifice the patient did well clinically the patient did well clinically.
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To sum up, pulse light tinnitus should always prompt a careful history, physical exam, and if needed, vascular imaging.
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Early identification of vascular causes is essential for preventing complications.
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Vocabolario e note di pronuncia per questa lezione
Questo video contiene 41 frasi e 588 parole da ripetere con lo shadowing. Il parlato dura 4:51. Chi parla mantiene un ritmo costante di circa 121 parole al minuto, comodo per lo shadowing. Solo il 57% delle parole rientra nelle 3.000 più comuni dell’inglese, quindi il lessico è impegnativo.
Vocaboli chiave di questo video
15 parole del video che vale la pena imparare, con pronuncia e significato:
| Parola | Pronuncia | Significato |
|---|---|---|
| vascular aggettivo | /ˈvæskjələ/ | vascolare |
| pulse sostantivo | /pʌls/ | polso, battito |
| artery sostantivo | /ˈɑɹ.təɹ.i/ | arteria |
| narrow aggettivo | /ˈnæɹəʊ/ | stretto, angusto |
| dual aggettivo | /ˈdul/ | duale, doppio |
| vibration sostantivo | /vaɪˈbɹeɪʃən/ | vibrazione |
| assessment sostantivo | /əˈsɛsmənt/ | accertamento |
| reveal verbo | /ɹɪˈviːl/ | rivelare, gettare la maschera |
| contribute verbo | /kənˈtɹɪb.jut/ | contribuire |
| crucial aggettivo | /ˈkɹuː.ʃəl/ | cruciale |
| examination sostantivo | /ɪɡˌzæm.ɪˈneɪ.ʃən/ | esame, visita |
| underlying aggettivo | sottostante | |
| diagnostic aggettivo | /ˌdaɪ.əɡˈnɑ.stɪk/ | diagnostico |
| bulb sostantivo | /ˈbʌlb/ | bulbo |
| cerebral aggettivo | /səˈɹi.bɹəl/ | cerebrale |
Pronuncia a cui fare attenzione
- I suoni “th”: thorough /ˈθʌɹoʊ/, pathway /ˈpæθˌweɪ/, rhythmic /ˈɹɪð.mɪk/, thump /θʌmp/
- I suoni “sh” e “zh”: vibration /vaɪˈbɹeɪʃən/, crucial /ˈkɹuː.ʃəl/, examination /ɪɡˌzæm.ɪˈneɪ.ʃən/, tissue /ˈtɪʃ.(j)u/, evaluation /ɪˌvæljuˈeɪʃn̩/
- Parole lunghe — attenzione all’accento: examination /ɪɡˌzæm.ɪˈneɪ.ʃən/, diagnostic /ˌdaɪ.əɡˈnɑ.stɪk/, comprehensive /ˌkɑm.pɹəˈhɛn.sɪv/, evaluation /ɪˌvæljuˈeɪʃn̩/, identification /aɪˌdɛn(t)ɪfɪˈkeɪʃn̩/
Come esercitarsi con questo video
- Ascolta tutto il video una volta senza parlare e annota le parole che non conosci.
- Fai shadowing frase per frase a velocità normale, ripetendo ognuna finché il tuo ritmo coincide con quello di chi parla.
- Registrati e confronta con l’originale, facendo attenzione a parole come vascular, pulse, artery.
Cos'è la tecnica dello Shadowing?
Shadowing è una tecnica di apprendimento delle lingue supportata da studi scientifici, originariamente sviluppata per la formazione dei traduttori professionisti e resa popolare dal poliglotta Dr. Alexander Arguelles. Il metodo è semplice ma potente: ascolti un audio in inglese di madrelingua e lo ripeti immediatamente ad alta voce — come un'ombra che segue il parlante con un ritardo di solo 1–2 secondi. A differenza dell'ascolto passivo o degli esercizi di grammatica, lo shadowing costringe il tuo cervello e i muscoli della bocca a elaborare e riprodurre simultaneamente i modelli di discorso reale. La ricerca dimostra che migliora significativamente la precisione della pronuncia, l'intonazione, il ritmo, il discorso connesso, la comprensione dell'ascolto e la fluidità del parlato — rendendolo uno dei metodi più efficaci per la preparazione alla prova di speaking dell'IELTS e per la comunicazione reale in inglese.