Mark up tools live under the image in practitioner notes.
Hover over each one to see its name:
Brush: Choose the colour and thickness of your brush to draw with.
Select: Click on or drag to select items that you have already drawn. You can then move, stretch or delete (using the trash can) your selection.
Line: Like the brush tool but for drawing straight lines.
Arrow: Like the line tool but for arrows.
Undo: Undo your last action.
Redo: Redo your last action.
Trash: Delete selected items.
Clear all: Clear all mark ups.