[ Go to Home Page ] [ please leave your comments ] [ read this disclaimer ]


Pharyngeal airway illusion

Your patient is getting obstructed. You want a large airway to insert into his oropharynx. So which airway below is bigger ?

airway illusion

Most people will see that the lower airway is bigger.

airway illusion

In reality, they are both exactly the same size. The fixed size red rectangle shown below shows you this.

airway illusion explained


[ Go to Home Page ] [ please leave your comments ] [ read this disclaimer ]


Tracheal tube illusion

Your patient is still obstructed. You decide to intubate. You want a long tracheal tube. Which tube below is longer, the horizontal or vertical one ?

endotracheal tube illusion

Most people think that the vertical one is longer than the horizontal one.

endotracheal tube illusion

The animation below shows you that both tubes have exactly the same length.

tracheal tube illusion explained



[ Go to Home Page ] [ please leave your comments ] [ read this disclaimer ]


Make the world a lighter place by telling all anesthesiologists and nurse anesthetists about  freshgasflow.com !
(c) freshgasflow.com