Latvian Institute of Organic Synthesis 1 article published in JoVE Medicine Rodent Heart and Brain Tissue Preparation for Digital Macro Photography after Ischemia-reperfusion Edgars Liepinsh1, Janis Kuka1, Liga Zvejniece1, Reinis Vilskersts1, Maija Dambrova1 1Laboratory of Pharmaceutical Pharmacology, Latvian Institute of Organic Synthesis Presented here is a protocol for the standardized methodology of rodent tissue preparation after the ischemia-reperfusion experiment and guidelines for establishing lighting and camera setups for high-resolution image acquisition. This method is applicable to all experimental small-animal organ photography.