Stridor Reference Guide
Stridor
Stridor is caused by upper airway narrowing or obstruction. It is often heard without a stethoscope. It occurs in 10-20% of extubated patients. Stridor is a loud, high-pitched crowing breath sound heard during inspiration but may also occur throughout the respiratory cycle most notably as a patient worsens. In children, stridor may become louder in the supine position. Causes of stridor are pertussis, croup, epiglottis, aspirations.Patient Recording
Patient Recording - Half Speed Playback
Position
The patient's position should be sitting.
Listening Tips
S1:Systole:
S2:
Diastole:
Features:A loud, high-pitched wheezing sound heard during inspiration but may also occur throughout the respiratory cycle. Often heard without a stethoscope
