Surgery The normal ankle brachial pressure index (ABPI) is 1.0.A value of 0.8 suggests A Good flow B Some degree of alterial obstruction C Impending gangrene D Presence of collaterals 💡 Explanation The normal ankle brachial pressure index (ABPI) is 1.0.A value of 0.8 suggests ✓ Correct Answer: B. Some degree of alterial obstruction