Research Article
Preliminary Exploration of Epidemiologic and Hemodynamic Characteristics of Restrictive Filling Diastolic Dysfunction Based on Echocardiography in Critically Ill Patients: A Retrospective Study
Figure 1
12 regions of chest wall. Each hemithorax was divided into 3 areas by anterior and posterior axillary line: anterior, lateral, and posterior. Each area of chest wall was divided into upper and lower halves. Therefore, 12 regions of chest wall are R1–R6 (right thorax) and L1–L6 (left thorax).