Shadowing-Übung: RCoA Primary Examination: SOE Physics Question Example - Englisch Sprechen Lernen mit Video

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Okay, so can you tell me how is heat lost during anaesthesia and surgery?
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Okay, so heat loss.
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Is there a way for a diagram to explain this?
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So you've got the patient on the operating table.
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I'll draw that quickly.
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Now, the main way in which heat is lost in an anaesthetic is through radiation, the infrared radiation, and that counts for 40%.
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Then convection currents count for 30%, whereby warm air is moved away from the body,
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aided by laminar flow and moving heat away from the body that way.
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then a further 15% is lost through evaporation through the energy of latent heat of vaporisation.
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Respiration accounts for approximately 10%
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which can be broken down into 8% for latent heat of vaporisation of the gases and 2% of heating the inhaled gases.
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There is a further small amount of heat lost through conduction through solid services such as the operating theatre
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and through IV fluids into the patient.
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Okay, alright let's come back to this 40% that you described of radiation.
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Can you tell me what factors affect the amount of heat loss through radiation?
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OK, so there's a number of factors.
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The first which is the absolute temperature.
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Stefan Boltzmann gives an equation where...
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OK, don't go into detail of the equation.
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What's the important point about that law?
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So the emissive radiation is proportional to a power of 4, the absolute temperature.
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So therefore the hotter the body is, the greater the temperature loss through that body is.
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The other ways in which heat is lost through radiation, the temperature difference between the body and the surrounding areas, the exposure of the body,
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so the exposure of the patient, then the amount of insulation the body has,
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so if they're wearing blankets or clothing or body fat, will reduce heat loss.
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And lastly, the amount of degree of vasodilation, so that the more vasodilated the patient is, the more blood flow there is to the skin,
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and the greater radiated heat is lost through that.
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OK, all right.
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Let's think about what actually goes on during an anesthetic now.
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So what are the phases of heat loss during anesthetic?
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Is it all lost at the same time?
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Or what happens?
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OK, do I draw a graph?
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Yeah, do.
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So the graph for heat loss, I'll do time in hours at the bottom,
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start at 0, and temperature in Celsius.
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The curve essentially looks like this.
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So in the first hour to two hours, you have rapid heat loss of one to five degrees
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which is accounted for by redistribution of blood and between there
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and the next five hours temperature loss decreases and after which temperature plateaus to a fairly stable level.
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Okay thank you.
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That was a pass for that candidate.
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They were able to show a detailed knowledge coupled with a good understanding of the subject.
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And were able to complement their answer by the use of diagrams and graphs and also the use of an equation.
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Diagrams generally are not compulsory.
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They need to add to the answer rather than just being the answer.
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And occasionally in the exam you will be given an artefact or a diagram already in which to base your answer upon.
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If you choose to use a diagram, it's important that you make them as large as you can, make them clear and relevant to the question you're being asked,
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not just the diagram because you happen to remember it.
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It's also important to use the time whilst you're drawing the diagram to help answer the question.
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Don't draw the diagram and then answer the question.
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The two need to be used at the same time.
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It's also helpful if it looks like it's not the first time you've drawn the diagram.
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Graphs too need to be along the same lines, they need to be labelled and you need to think about whereabouts your line goes on the graph.
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Does it go through the zero point or not, where does it actually fit?
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So in summary that was a well structured answer, able to show knowledge and understanding well and used graphs and diagrams appropriately.
📺 Gleicher Kanal
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Sprachziele dieses Clips

Dieser Clip hilft dir, komplexe Sachverhalte auf Englisch klar und strukturiert zu erklären – ein essenzieller Meilenstein für flüssiges Sprechen in fachlichen Kontexten. Du lernst, Diagramme und Grafiken verbal zu beschreiben und technische Begriffe korrekt einzubinden, was besonders für Prüfungen oder berufliche Gespräche nützlich ist. Mit "shadowspeak" oder "shadow speech" kannst du die Rhythmus- und Aussprachegewohnheiten der Gesprächspartner nachahmen, um deine Sprachfluss zu verbessern.

Phrase Bank: Wiederverwendbare Ausdrücke

  • "Can you tell me how..." – Für Fragen nach Ursachen oder Prozessen
  • "is accounted for by" – Um Gründe oder Erklärungen einzuführen
  • "can be broken down into" – Zum Aufteilen von Prozessen in Teilaspekte
  • "the curve essentially looks like this" – Für die Beschreibung von Grafiken
  • "it's important that you make them as large as you can" – Für Ratschläge zur Klarheit

Verbessere deine Schwächen: Aussprache und Rhythmus

Der Clip hilft, Schwächen in der Aussprache von technischen Begriffen wie "vasodilation" oder "latent heat of vaporisation" zu beheben. Achte darauf, die Betonung in langen Wörtern zu richtig setzen (z. B. "ra-di-a-tion" statt "ra-di-a-TION"). Der natürliche Rhythmus von Englisch wird durch Sätze wie "OK, so can you tell me..." deutlich – übe, Pausen an den richtigen Stellen zu setzen, um Verständlichkeit zu gewährleisten. Mit "shadow speak" kannst du die Intonation nachahmen, um deinen Ausdruck zu verfeinern. Englisch lernen mit YouTube ist eine praktische Möglichkeit, solche Fähigkeiten zu trainieren, da du reale Gesprächs Situationen nachvollziehen kannst.

Zusätzlich lernst du, wie du Fachwissen mit Beispielen und Grafiken untermauerst – ein Trick, um in Prüfungen oder beruflichen Gesprächen zu überzeugen. Achte darauf, Diagramme klar zu beschreiben ("the graph for heat loss, I'll do time in hours at the bottom") und sie relevant zum Thema zu halten. Diese Fähigkeit verbessert nicht nur dein Sprechen, sondern auch deine Fähigkeit, komplexe Ideen strukturiert zu präsentieren.

Was ist die Shadowing-Technik?

Shadowing ist eine wissenschaftlich fundierte Sprachlerntechnik, die ursprünglich für die professionelle Dolmetscherausbildung entwickelt und durch den Polyglotten Dr. Alexander Arguelles populär gemacht wurde. Die Methode ist einfach aber wirkungsvoll: Du hörst englisches Audio von Muttersprachlern und wiederholst es sofort laut — wie ein Schatten, der dem Sprecher mit nur 1–2 Sekunden Verzögerung folgt. Anders als passives Hören oder Grammatikübungen zwingt Shadowing dein Gehirn und deine Mundmuskulatur, gleichzeitig echte Sprachmuster zu verarbeiten und zu reproduzieren. Studien zeigen, dass es Aussprachegenauigkeit, Intonation, Rhythmus, verbundene Sprache, Hörverständnis und Sprechflüssigkeit signifikant verbessert — was es zu einer der effektivsten Methoden für die IELTS Speaking-Vorbereitung und reale englische Kommunikation macht.

Shadowing-Technik: die vollständige Schritt-für-Schritt-Anleitung lesen →