text: Transthoracic echocardiography (TTE) is used in atrial<unk>  to evaluate the sizes of left  and right atria. Transesophageal echocardiography (TEE) is used to evaluate the presence of thrombus and selection of candidates for cardioversion.
option_0: Atrial flutter echocardiography
option_1: Ventricular tachycardia echocardiography
option_2: First degree AV block echocardiography
option_3: Third degree AV block echocardiography
option_4: Atrial flutter physical examination
option_5: AVNRT physical examination
option_6: Atrial fibrillation electrocardiogram
option_7: Right bundle branch block echocardiography