Which structures are known to significantly limit or obscure views during an ultrasound examination?
Answer
Bone or gas
Ultrasound is unparalleled for soft tissue but cannot penetrate bone or gas effectively, which can obscure views of structures like the lungs or the adult brain.

#Videos
How Does Ultrasound Work? - YouTube
Related Questions
What is the typical frequency range for diagnostic ultrasound systems?What is the core component inside the transducer responsible for generating sound pulses?Why is a coupling medium, usually gel, necessary between the probe and the skin?In B-mode imaging, what determines the brightness of each dot on the screen?What specific function is M-mode (motion mode) imaging best suited for?Doppler ultrasound is primarily used to reveal what characteristic within anatomical structures?What major safety advantage does ultrasound imaging possess compared to X-rays or CT scans?Which structures are known to significantly limit or obscure views during an ultrasound examination?How does the ultrasound system precisely calculate the depth of a reflecting structure using the Time of Flight measurement?What effect occurs if the gain setting on an ultrasound machine is set too high?