Chapter 26: Cardiovascular Conditions in Children

Cardiovascular Conditions in Children thoroughly explores Congenital Heart Disease (CHD), discussing etiologies ranging from chromosomal abnormalities to environmental teratogens, and emphasizes the critical role of newborn pulse oximetry screening for early detection of Critical Congenital Heart Disease (CCHD). The text classifies cardiac defects based on hemodynamics, detailing lesions that increase pulmonary blood flow through left-to-right shunting, such as Atrial Septal Defect (ASD), Ventricular Septal Defect (VSD), and Patent Ductus Arteriosus (PDA). It contrasts these with obstructive defects like Coarctation of the Aorta, which presents with significant blood pressure discrepancies between upper and lower extremities, and cyanotic defects that decrease pulmonary blood flow, specifically Tetralogy of Fallot, which comprises four anomalies including pulmonary stenosis and overriding aorta that can lead to hypercyanotic "tet" spells. The discussion extends to Acquired Heart Disease, providing in-depth nursing interventions for Heart Failure (HF) aimed at reducing cardiac workload through medications like digoxin, ACE inhibitors, and diuretics, while stressing the importance of monitoring apical pulses and serum potassium levels. Furthermore, the chapter covers inflammatory and autoimmune conditions, including Rheumatic Fever (linked to group A beta-hemolytic streptococcus and diagnosed via Jones criteria), Kawasaki Disease (characterized by strawberry tongue and risk of coronary aneurysms), and Infective Endocarditis, alongside preventative strategies for pediatric hypertension using the DASH diet and lifestyle modifications.