‘Blinking frog’ sign
‘Blinking frog’ sign in ultrasound suggests
[A] USG Guided Liver Biopsy
[B] ERCP
[C] Contraindication to tracheostomy
[D] Contraindication to Laparoscopic Cholecystectomy
‘Blinking frog’ sign
‘Blinking frog’ sign in ultrasound
Presence of pretracheal vasculature on ultrasound image in 2D mode.
The white arrows show the presence of two pretracheal vessels
(a) Which are compressible
(b) The white star marks the trachea
Presence of pretracheal vasculature on ultrasound image in 2D mode.
The white arrows show the presence of two pretracheal vessels
(a) Which are compressible
(b) The white star marks the trachea
‘Blinking frog’ sign in ultrasound
Presence of pretracheal vasculature on ultrasound image in 2D mode.
The white arrows show the presence of two pretracheal vessels
(a) Which are compressible
(b) The white star marks the trachea
Percutaneous dilatational tracheostomy is a common bedside procedure in intensive care units (ICUs) worldwide. A feared complication of the procedure is bleeding.
The ‘blinking frog’ ultrasound sign
- Establishes the presence of pretracheal vasculature
- It is a relative contraindication to tracheostomy at this particular part of the trachea.
- A higher or lower puncture location should be considered.
