. 2005 Sep;49(3):158–209.

Table 3a.

Risk factors that are absolute contraindications to all chiropractic cervical treatment

Risk factor in area of neck unless otherwise noted or not relevant…	Adapted from reference #
Obvious medical emergencies (e.g., onset of myocardial infarct)	–
In the course of care – 1 of 4 listed (see text) signs or symptoms of neurovascular impairment or any other signs or symptoms of neurovascular impairment with unknown cause – Neck or occipital pain with a sharp quality and severe intensity that is sudden and unlike any previously experienced pain (even when it is suspected the pain is of a musculoskeletal or neuralgic origin) – Severe and persistent headache that is sudden and unlike any previously experienced headache (even when it is suspected the pain is of a musculoskeletal or neuralgic origin)	Appendix 1

Risk factor in area of neck unless otherwise noted or not relevant…

Adapted from reference #

Obvious medical emergencies (e.g., onset of myocardial infarct)

–

In the course of care

– 1 of 4 listed (see text) signs or symptoms of neurovascular impairment or any other signs or symptoms of neurovascular impairment with unknown cause
– Neck or occipital pain with a sharp quality and severe intensity that is sudden and unlike any previously experienced pain (even when it is suspected the pain is of a musculoskeletal or neuralgic origin)
– Severe and persistent headache that is sudden and unlike any previously experienced headache (even when it is suspected the pain is of a musculoskeletal or neuralgic origin)