PONV Intensity Scale of Wengritzky et al: General Equation

Description

Wengritzky et al developed a postoperative nausea and vomiting (PONV) intensity scale. This can help to identify a patient with clinically significant nausea and vomiting. The authors are from Monash University and Alfred Hospital in Melbourne, Australia.

Parameters:

(1) severity of nausea

(2) pattern of nausea

(3) duration of nausea in hours

Parameter	Finding	Points
severity	mild	1
	moderate	2
	severe	3
pattern	varying	1
	constant	2

intensity scale =

= (points for severity) * (points for pattern) * (number of hours)

Interpretation:

• minimum score: < 1

• maximum score: depends on duration of the nausea

• A score >= 50 was defined as clinically important.

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Description

Specialty

ICD-10