Fig. 3From: Radiological assessment of chest compression point and achievable compression depth in cardiac patientsScatter plot of APEXTERNAL and APBLOOD at the internipple line level, divided into gender (left – females, right – males). Each patient is represented by one APEXTERNAL symbol (filled) and one APBLOOD symbol (open). APBLOOD, Anterior-posterior diameter of blood-filled structures; APEXTERNAL, external anterior-posterior diameterBack to article page