Criteria of Graybiel et al for Grading the Severity of Acute Motion Sickness

Description

Graybiel et al developed criteria for identifying the severity of acute motion sickness. This can be used to evaluate patients and to compare different provocative tests.

Categories of Clinical Findings:

(1) nausea syndrome

(2) skin color

(3) cold sweating

(4) increased salivation

(5) drowsiness

(6) pain

(7) central nervous system

Category	Symptom	Level	Points
nausea syndrome	vomiting or retching	pathogno-monic	16
	nausea III	major	8
	nausea II	major	8
	nausea I	minor	4
	epigastric discomfort	minimal	2
	epigastric awareness	AQS	1
skin color	pallor III	major	8
	pallor II	minor	4
	pallor I	minimal	2
	flushing or subjective warmth III	AQS	1
	flushing or subjective warmth II	AQS	1
cold sweating	cold sweating III	major	8
	cold sweating II	minor	4
	cold sweating I	minimal	2
increased salivation	salivation III	major	8
	salivation II	minor	4
	salivation I	minimal	2
drowsiness	drowsiness III	major	8
	drowsiness II	minor	4
	drowsiness I	minimal	2
pain	headache III	AQS	1
	headache II	AQS	1
central nervous system	dizziness with eyes closed III	AQS	1
	dizziness with eyes closed II	AQS	1
	dizziness with eyes open III	AQS	1

where:

• AQS = additional qualifying symptom

• III = severe or marked, II = moderate, I = slight

total point scored =

= SUM (points for each category present)

Interpretation:

• minimum score: 0

• maximum score: 50 (using only 1 result for CNS/dizziness)

Score	Level of Severity	Designation
>= 16	frank sickness	S
8 - 15	severe malaise	M III
5 - 7	moderate malaise A	M IIA
3 - 4	moderate malaise B	M IIB
1 - 2	slight malaise	M I

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Criteria of Graybiel et al for Grading the Severity of Acute Motion Sickness

Description

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