What ultrasonography is
A diagnostic method that uses high-frequency sound waves — not radiation — to form real-time images of the body.
Real time changes what's possible to see
Unlike an X-ray or CT scan, the ultrasound image is built live, frame by frame. This allows assessment of structures in motion — a tendon gliding, a heart valve beating, a vessel pulsing — not just a static portrait of the body at one instant.
A method only as good as the person performing it
Image quality depends directly on the examiner's technique — transducer choice, gain and frequency adjustment, patient positioning. This is also why continuing education carries so much weight in this modality.
The advantage of having ultrasound in your hands
A quick note from Dr. Andrey on why mastering the right ultrasound technique changes how you practice, day to day.
Theory and practice go hand in hand
Read, study what you need to study — but practice. Practice is what locks the anatomical landmarks and structures into your head.
Where to go from here
Specialties
From the abdomen to elastography — the complete map by application area.
Doppler
Blood flow as diagnostic information, from arterial to obstetric.
POCUS
Point-of-care ultrasound for urgent care, emergency, and critical care.
Clinical cases
Patient, technique, findings, and diagnosis — in a format that teaches reasoning.
Technology & AI
Transducers, image optimization, and the real role of artificial intelligence.
Ultrassom 360° Academy
Courses, workshops, and study materials — coming soon.
Frequently asked questions
What kinds of exams can ultrasound evaluate?
Ultrasound evaluates abdominal organs, thyroid, breast, soft tissue, joints, blood vessels (with Doppler), pregnancy and superficial structures, among others — always guided by each exam's clinical indication.
Does ultrasound use radiation?
No. Ultrasound uses high-frequency sound waves, with no ionizing radiation — which makes it safe for repeated use and in pregnancy, when indicated.
Do I need to prepare for an ultrasound?
It depends on the region examined. Abdominal exams usually require fasting; transabdominal pelvic exams may require a full bladder; soft tissue, thyroid or joint exams generally need no preparation. The right instructions come from whoever ordered the exam.
What's the difference between a regular ultrasound and one with Doppler or elastography?
Conventional (B-mode) ultrasound shows anatomy; Doppler adds blood flow assessment; and elastography measures tissue stiffness (widely used, for example, to assess liver fibrosis). Each feature is indicated based on the clinical question.
Ready to explore the whole universe?
See every application area of ultrasonography.