tidal volume (TV)

^[1]^[2]^[3]

Introduction

Normal tidal volume with spontaneous respirations is 5 mL/kg.

tidal volumes on ventilator are generally set to 500-700 mL
- 6-8 mL/kg is usually safe starting point^[3]
lower tidal volumes may reduce risk of ARDS^[2]
- start <= 6 mL/kg for ARDS^[3]

↑ Contributions from Carl Van Gundy, Dept. of Medicine, UCSF Fresno
↑ ^2.0 ^2.1 Neto AS et al. Association between use of lung-protective ventilation with lower tidal volumes and clinical outcomes among patients without acute respiratory distress syndrome: A meta-analysis. JAMA 2012 Oct 24/31; 308:1651 PMID: https://www.ncbi.nlm.nih.gov/pubmed/23093163
↑ ^3.0 ^3.1 ^3.2 Medical Knowledge Self Assessment Program (MKSAP) 17, American College of Physicians, Philadelphia 2015