Keywords : angle correction, aortic dissection, arcuate artery, arterial waveform, arteriovenous fistula, AVF, Budd Chiari syndrome, Carotid artery, carotid bifurcation, carotid dissection, carotid ultrasound, cavernous transformation of the portal vein, CCA, CFA, cirrhosis, collateralization, color Doppler bruit, color Doppler, common carotid artery, common femoral artery, common iliac artery stenosis, dampened pulsatility, dialysis fistula, diastolic flow, Doppler baseline, ECA, end diastolic flow, external carotid artery, HCC, heaptofugal flow, helical portal venous flow, hepatic artery, hepatic wave, hepatocellular carcinoma, hepatopedal flow, high resistance waveform, ICA, IJV, inferior vena cava, internal carotid artery, internal jugular vein, IVC, low resistance waveform, malignant portal vein thrombus, mirror image artifact, monophasic waveform, popliteal artery, portal hypertension, portal vein, portal venous gas, power Doppler, PRF, PSA, pseudoaneurysm, pulsatile venous waveform, pulse repetition frequency, Renal Artery Stenosis, renal artery, renal transplant, resistive index, reversed portal vein, RI, SFA, spectral broadening, spectral Doppler, subclavian steal, superficial femoral artery, tardus parvus waveform, triphasic waveform, veno-occlusive disease, venous occlusion, venous waveform