Genesis Electrical Impedance Tomography (EIT): A Preliminary Study

Inclusion Criteria: * 2 weeks old - 40 years old * Premature infants with current age \>2 weeks with a confirmed diagnosis of BPD based on NIH criteria * Or Chronic respiratory disease due to underlying neuromuscular disease * Or confirmed neuromuscular disease with an echo completed within the preceding 12 months of study participation of DMD or other diagnoses associated with mild cardiomyopathy. * have had a VQ scan * will be undergoing cardiac catherization for for pulmonary vein stenosis, pulmonary hypertension and/or pulmonary artery stenosis * Or healthy controls Exclusion Criteria: * \<2 weeks of age * Congenital diaphragmatic hernia * Severe congenital heart disease * Significant genetic abnoralities * Anything that interferes with lead placement on the chest wall * Unwilling/refusal to sign consent * Pregnant or lactating * Pacemaker of other surgical implant and spinal implant (causes noise in the data) * Moderate to severe cardiomyopathy * Patients with temporary cognitive disability due to illness