Copyright: ©Author(s) 2026.
World J Crit Care Med. Jun 9, 2026; 15(2): 114264
Published online Jun 9, 2026. doi: 10.5492/wjccm.v15.i2.114264
Published online Jun 9, 2026. doi: 10.5492/wjccm.v15.i2.114264
Figure 5 Ultrasonographic features of pleural effusion.
A: Pleural effusion manifests as anechoic collection above the diaphragm with presence of spine sign at R4 region; B: Quad sign suggestive of pleural effusion (R4 region). The orange lines mark the borders of the quad sign - vertical borders by the rib shadows and horizontal borders by parietal and visceral pleura respectively.
- Citation: Lee ZY, Chin WV. Integrating structured point-of-care ultrasound into dengue fever management: A mini review and comprehensive clinical guide. World J Crit Care Med 2026; 15(2): 114264
- URL: https://www.wjgnet.com/2220-3141/full/v15/i2/114264.htm
- DOI: https://dx.doi.org/10.5492/wjccm.v15.i2.114264