LINK IN BIO! 📖 Learn essential Transcranial Doppler (TCD) technique and vessel identification directly from our Pathology, Perfusion, and Function Study Guide in the Vascular Sonography section on SonographerPal.com — your all-in-one ultrasound exam prep trusted by Sonographers preparing for ARDMS (RVT, AB, OB/GYN, SPI), ARRT(S), and CCI (RVS) exams. Master key TCD concepts including: ✅ Transtemporal, transorbital, and transforaminal acoustic windows ✅ Depth ranges and velocity patterns for int