Fig. 4
From: Multiple ultrasound cavitation-enabled treatments for myocardial reduction
Selected examples of the hearts for each group. Photographs are shown of hearts for groups A-D (scale bar 5 mm), and corresponding histological sections (scale bar 2 mm) stained with Masson’s trichrome to reveal fibrosis (blue). For the 600 s treatment (D), the wall is noticeably thinned in the target area, including some erosion of the heart surface