Table 3

Bleeding Severity Measurement Scale (BSMS)

Bleeding grade and classiﬁcation		Description of bleeding
0. No bleeding		No bleeding
1. Not clinically significant bleeding	1(a) Trace bleeding	Minimal bleeding or bleeding detectable by laboratory measures only. Bleeding does not have any impact on patient or on the level of care provided to the patient.
1. Not clinically significant bleeding	1(b) Mild bleeding	Non-clinically significant bleeding. Bleeding does not have any impact on patient or level of care provided to the patient.
2. Clinically significant bleeding	2(a) Serious bleeding	Bleeding directly resulting in one or more of the following: Signiﬁcant pain (requiring medical treatment or intervention) Need for interventions (including transfusion, surgery, invasive procedures, administration of medication, etc)
	2(b) Serious bleeding causing significant morbidity	Any bleeding meeting one or more of the following criteria: All central nervous system bleeding Resulting in haemodynamic instability: Tachycardia (increase in resting heart rate by at least 20 bpm) or Hypotension (decrease in systolic and/or diastolic BP by at least 20 mm Hg) Resulting in vision loss Resulting in signiﬁcant morbidity
	2(c) Fatal bleeding	Any bleeding directly contributing to patient's death

BP, blood pressure.