Fig. 4From: Transthoracic echocardiography and cardiac biomarkers in healthy captive male and female squirrel monkeys (Saimiri spp.)Squirrel monkey positioned in right lateral recumbency during echocardiographic and electrocardiographic examination. A right parasternal long-axis four-chamber image was obtained by placing the transducer within the 3rd to 6th intercostal space, close to the sternum, with the reference mark toward the neck and a 45° angle between the transducer and the squirrel monkeyBack to article page