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A pulmonary artery catheter may be placed in a neonate's
right ventricular
outflow tract to evaluate - ANSWER-Pulmonary
hypertension
Normal values for pulmonary artery pressures in a term infant -
ANSWER-RAP
3 mm Hg, LAP 8 mm Hg, and PAOP 6-10
mm Hg
Actions of beta blockers include - ANSWER-increased diastolic
filling time
Contractility of heart muscle in neonates is positively
influenced by – ANSWER-Exogenous catecholamines, such as
dopamine and dobutamine, will increase cardiac output and
blood pressure
Contractility is decreased by - ANSWER-hypoxia, electrolyte
disturbances,
, hypoglycemia, and
acidosis
Labetalol dosage - ANSWER-0.2 - 1 mg/kg
Milrinone - ANSWER-vasodilatory properties, increases the
heart rate, and
improves
contractility
Indomethacin adverse effects - ANSWER-platelet dysfunctions,
oliguria, GI bleeding, hypoglycemia, reduction in organ blood
flow, hyponatremia, and hypokalemia
Cardiac TAPVR - ANSWER-pulmonary veins attach directly
to the coronary
sinus and drain into the
right atrium
Supracardiac TAPVR - ANSWER-pulmonary veins attach above
the diaphragm,
most often to the superior
vena cava
Infracardiac TAPVR - ANSWER-pulmonary veins attach below
the diaphragm
into the portal venous system and drain into the
inferior vena cava