Arrhythmia 1 Arrhythmias, Cardiac 1 Familial ASD Heart Septal Defects, Atrial 1 Heterozygous variant 1 Homeobox Protein Nkx-2.5 1 Homeodomain Proteins 1 Humans 1 Hypertension, Pulmonary 1 Indonesia 1 NKX2-5 1 NKX2-5 protein, human 1 Pulmonary hypertension 1 Variant 1 genetics 1 heart arrhythmia 1 heart septum defect 1 homeobox protein Nkx-2.5 1 homeodomain protein 1 human 1 pulmonary hypertension 1