shock index


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shock in·dex

the quotient of the cardiac rate divided by the systolic blood pressure; normally approximately 0.5, but in shock (for example, rising pulse rate with falling blood pressure), the index may reach 1.0.

shock index

1. The systolic blood pressure divided by the heart rate.
2. The heart rate divided by the systolic blood pressure.
See also: index
References in periodicals archive ?
Shock index and early recognition of sepsis in the emergency department: Pilot study.
n (%) 1 (4) Trauma, n (%) 1 (4) Contraindication to thrombolytic, n (%) 3 (10) Heart rate, bpm 101 [+ or -] 14 SBP, mmHg 105 [+ or -] 17 DBP, mmHg 69 [+ or -] 10 Shock index, bpm/mmHg 1.
Peri-operative Transfusion Trigger Score of Emergency group and control group were compared in age, gender, body mass index, ASA score, and operation area; Heart rate, mean arterial pressure, SpO [sub]2 , body temperature, and shock index when entering into the operation room; there was no statistical difference between the two groups for Hb values and APACHE II scores after entering into the operation room [Table 2].
Prodromal Symptoms of Pulmonary Emboli by Body System Body System Symptoms Cardiovascular Tachycardia Hypotension (SBP 100 mm Hg) Palpitations Cyanosis Chest pain (pleuritic, non-pleuritic, or non-retrosternal) Calculated shock index > 0.