Mechanisms of action: vasodilatation, inhibit platelet aggregation
Epoprostenol, Iloprost, Treprostinil, Beraprost
Complications include acute decompensation if stopped abruptly, diarrhea, edema, headache
Complications include acute decompensation if stopped abruptly, diarrhea, edema, headache
Mechanism of Action: vasodilation, increases RV contractility
Sildenafil
Complications include hypotension with administration of nitrates, flushing, epistaxis, headache
Mechanism of Action: vasodilation via vascular modulation
Bosentan, Ambrisentan
Complications include liver failure, supratherapeutic INR,
Patients also usually taking digoxin, warfarin, diuretics, home O2. RARELY are they on CCBs only if responsive during cath. Consider line infections as complication to chronic infusions.
Complications include liver failure, supratherapeutic INR,
Pulmonary hypertension 
Airway obstruction
Bronchopulmonary dysplasia
Anaphylaxis
Empyema
Angioedema
Pneumoconiosis
Aspirated foreign body