text: <unk>  is a form of irregular heart beat in which the ventricle contracts prematurely.   This results in a skipped beat followed by a stronger beat.   Individuals may report a feeling that their heart stops after a<unk> .
option_0: Premature ventricular contraction
option_1: Premature atrial contraction
option_2: Pacemaker mediated tachycardia
option_3: Respiratory sinus arrhythmia
option_4: Ectopic atrial rhythm
option_5: Sinoatrial nodal reentry tachycardia
option_6: Pre-excitation syndrome
option_7: Right ventricular outflow tract tachycardia