I had mine done in Jan this year and it was as you say on my back with right arm raised and they apply the probe in the middle of your ribs. Not aware of any other way of doing it. Good luck with managing your NASH.
Content on HealthUnlocked does not replace the relationship between you and doctors or other healthcare professionals nor the advice you receive from them.
Never delay seeking advice or dialling emergency services because of something that you have read on HealthUnlocked.