Description

A 50-year-old man with a history of hypertension was diagnosed with a left capsuloganglionic haemorrhage and he underwent right frontal burr hole and external ventricular drainage for ongoing hydrocephalus. He was referred to our tertiary care hospital for further management after 6 days of treatment. His Glasgow Coma Scale (GCS) at first visit to the referring hospital was E1, M3, V1. His GCS at admission to our hospital was E1, M1, VT, and he had a healing abrasion over the presternal area measuring 7 cm in length and 1 cm maximum breadth (figure 1). We contacted the referring hospital regarding the abrasion and were informed that it was a sternal rub-induced abrasion.

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Figure 1

Photograph showing healing abrasion over the presternal area.

Pain stimulus is a technique used by medical personnel for assessing the consciousness level of a person who is not responding to normal interaction, voice commands or gentle physical stimuli. It forms one part of a number of neurological assessments including GCS. Pain stimulus can be applied either centrally or peripherally; the benefits and drawbacks of each method have to be considered for the appropriate clinical scenario. Trapezius squeeze, mandibular pressure, supraorbital pressure, sternal rub are four commonly used central stimuli. Central stimuli should always be used when attempting to assess if the patient responds to painful stimuli.1 Peripheral stimuli are generally applied to the limbs. Central stimuli need to be applied for at least 15 and potentially up to 30 s in order for the clinician to accurately assess their efficacy.1 Sternal rub is known for bruising in fair-skinned people hence its use has been discouraged.2 Presternal abrasion is a preventable complication. Skin over the presternum has to be checked before each assessment for any signs of bruisability or damage. Other methods of central stimuli should be used for neurological assessment once skin damage is observed. Medical care personnel should take this into account in their routine day-to-day practice.