DMA : DaVinci medical academy

No 55/2, New Avadi Road, Alagappa Nagar, Kilpauk. Chennai

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What is Prayer sign?
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Inability to place both palms flat together suggest difficult intubation.MC in diabetics.

Types of Endotracheal Tubes (ETT)?
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Silicone and Red rubber tube = High pressure and low volume, PVC tube (now used) = Low pressure and high Volume (small p = low pressure; high Volume = capital V).

What kind of ET tube are used for thoracic surgery?
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Double lumen ET tube

What kind of ET tube are used for ENT surgery?
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South facing ET tube

What kind of ET tube are used for dental work?
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North facing ET tube

oesophageal tracheal combi tube?
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Double lumen device that can function as either and endotracheal device or an esophageal obturator; can be used blindly in emergency medical management.

Size of Endotracheal Tube used for Adult male and female?
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Adult male: 8 - 8.5 mm Adult female :7 - 8 mm

Define Capnography?
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Capnometry is the measurement of C02 in gas mixture and capnography is the graphical recording of C02 concentration with time (capnogram).

What is the normal value of oxygen saturation?
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97-100%.

What will happen when decrease of CVP?
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Hypovolemia and shock, Venodilation

What is mallampati criteria ?
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What is Wilson’s risk score?
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What is Submandibular compliance?
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