Anesthesia & Analgesia · 2009 · 49 citations · 6 references
For patients with a BMI <25, the T7 spinous process can be reliably identified to within one interspace in 78% of patients using the C7 (vertebra prominens) surface landmark. Neither the vertebra prominens nor the tip of scapula is a reliable landmark to identify T7 in patients with a BMI >or=25.
6
Ability of anaesthetists to identify a marked lumbar interspace
Clive Broadbent, W. B. Maxwell, R. Ferrie et al. · Anaesthesia · 2000 · 454 citations
The reproducibility of the iliac crest as a marker of lumbar spine level
C. A. Render · Anaesthesia · 1996 · 92 citations · Full text
Iliac Crest, Surgery, Anatomy +17