Table 5 Development of the novel VetCompass Clinical Grading Tool for Heat-Related Illness in dogs, based upon the JAAMHC human heat-related illness scale.

From: Proposing the VetCompass clinical grading tool for heat-related illness in dogs

Japanese Association of Acute Medicine Heat-Related Illness Classification stages

Human symptoms

VetCompass Clinical Grading Tool for Heat-Related Illness in dogs grades

Adapted canine clinical signs

Stage I

Dizziness, faintness, slight yawning

Heavy sweating

Muscle pain, stiff muscles (muscle cramps)

Impaired consciousness is not observed

Mild

No impaired consciousness observed

Lethargy or stiffness

Panting heavily or respiratory distress

Stage II

Headache, vomiting,

Fatigue, sinking feeling

Declined concentration and judgement

Moderate

Vomiting and/or diarrhoea (no blood present), hypersalivation

Collapse (intermittent only)

A single seizure

Stage III

Includes at least one of the following:

Central nervous system manifestation (impaired consciousness, cerebellar symptoms, convulsive seizures)

Hepatic/renal dysfunction

Coagulation disorder

Severe

Includes at least one of the following:

Central nervous system impairment (ataxia, two or more seizures, profound depression, unresponsive, coma)

Hepatic/renal dysfunction (confirmed on blood tests)

Gastrointestinal haemorrhage

Coagulation disorder

Unreported

N/A

Unreported

No clinical signs or diagnostic results recorded in the clinical history