Traditional Culture Encyclopedia - Photography and portraiture - Who can help me explain these medical imaging terms, Cr, CT, DX, ECG, ES, GM, Mr, nm, PT, RT, RF, US, XA, XC?

Who can help me explain these medical imaging terms, Cr, CT, DX, ECG, ES, GM, Mr, nm, PT, RT, RF, US, XA, XC?

Computed tomography

MRI

Radio frequency = wireless perspective

X-ray angiography

US = ultrasound

NM = nuclear medicine Nuclear medicine