# Multiple Diameters

Calculate
cm
kg
BSA: 0.97m²
Body Surface Area Formulas:Dubois and Dubois: 0.20247 x height (m) 0.725 x weight (kg) 0.425Haycock: 0.024265 x height (cm) 0.3964 x weight (kg) 0.5378Gehan & George: 0.0235 x height (cm) 0.42246 x weight (kg) 0.51456Boyd: 0.0003207 x height (cm) 0.3 x weight (g) 0.7285 - (0.0188 x log(weight(g)))Mosteller: square root ( (height (cm) x weight (kg))/ 3600)
ParameterCalculated Mean (mm)Calculated Range (mm)Mean Â± SD (mm/m2)Range (mm/m2)
Superior Vena Cava Diameter     8 ± 14 - 11
Right Atrium
Anterior-Posterior Diameter     22 ± 316 - 28
Medial-Lateral Diameter     21 ± 316 - 32
Coronary Sinus Diameter     4 ± 12 - 6
Tricuspid Annulus Diameter     16 ± 311 - 24
Right Ventricular Diameter
RVOT Diameter     15 ± 210 - 20
Pulmonary Artery Diameter
Right Pulmonary Artery Diameter     10 ± 17 - 12
Left Pulmonary Artery Diameter
Left Upper Pulmonary Vein Diameter     6 ± 15 - 10
Left Atrial Appendage
Length     16 ± 310 - 23
Diameter     9 ± 35 - 17
Mitral Annulus Diameter     17 ± 211 - 22
Left Ventricle
Diastole
Anterior-Posterior Diameter     25 ± 319 - 31
Medial-Lateral Diameter     24 ± 411 - 30
Systole
Anterior-Posterior Diameter     16 ± 410 - 25
Medial-Lateral Diameter     15 ± 410 - 24
Aortic Root Diameter     16 ± 212 - 23
Ascending Aorta
Arch Aorta
Descending Aorta
Proximal     12 ± 29 - 17
Distal     11 ± 28 - 15
Thoracic AortaMean (cm)SD (cm)Method
Root (female)3.50 to 3.720.38CT
Root (male)3.63 to 3.910.38 CT
Ascending (female, male)2.86NACXR
Mid-descending (female)2.45 to 2.640.31CT
Mid-descending (male)2.39 to 2.980.31CT
Diaphragmatic (female)2.40 to 2.440.32CT
Diaphragmatic (male)2.43 to 2.690.27 to 0.40CT
&nbs&nbs&nbs&nbs
Sex Differences in Aortic Root Dimensions in Adults
Aortic RootAbsolute Values(cm)Indexed Values(cm/m2)
Aortic RootMenWomenMenWomen
Annulus2.6±0.32.3±0.21.3±0.11.3±0.1
Sinuses of Valsalva3.4±0.33.0±0.31.7±0.21.8±0.1
Sinotubular Junction of Valsalva2.9±0.32.6±0.31.5±0.21.5±0.2
Proximal Ascending Aorta3.0±0.42.7±0.41.5±0.21.6±0.3
From: 2010 ACCF/AHA/AATS/ACR/ASA/SCA/SCAI/SIR/STS/SVM Guidelines for the Diagnosis and Management of Patients With Thoracic Aortic Disease: Executive Summary