Describe and compare the action potentials from cardiac ventricular muscle and the sinoatrial node.
A fundamental aspect of cardiac physiology, that overall was well answered. The majority of
candidates used figures to good effect. Candidates are reminded that all figures must be correctly labelled (e.g. X and Y axis, phases of action potential, etc.). Common omissions were those that reflected an adequate depth of knowledge (e.g. some of the current flows).