The normal heart is a strong, hard-working pump made of muscle tissue. It’s about the size of a person’s fist. The heart has four chambers. The upper two chambers are the atria, and the lower two are the ventricles (Figure A). The chambers are separated by a wall of tissue called the septum. Blood is […]
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Assessing Growth and Nutrition
Growth charts have been used for at least a century to assess whether a child is receiving adequate nutrition and to screen for potentially inadequate growth that might be indicative of adverse health conditions. Pediatric Stages of Development: Stage Description Preterm Birth < 37 weeks’ gestation Neonate Newborn to 1 month Infant 1 month 12 […]