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What Causes Microcephaly?
Discussion Microcephaly is usually defined as an occipitofrontal head circumference (OFC) more than 2 standard deviations (SD) below the mean for sex, age and ethnicity. Severe microcephaly is used for OFC < 3 standard deviations. Rates of microcephaly range from 0.5-12 patients/10,000 live births. The OFC should be measured at every well child visit and at other opportunities and plotted on standard growth charts. The OFC is measured using a nonelastic tape measure around the largest part of the head with the tape measure held above the eyebrows and ears. It is a highly reproducible measurement. There are several diff...
Source: PediatricEducation.org - September 25, 2017 Category: Pediatrics Authors: pediatriceducationmin Tags: Uncategorized Source Type: news

What Are the Main Acyanotic Congenital Heart Diseases?
Discussion Congenital heart diseases (CHD) are malformations of the heart and great vessels. It occurs in about 5-8/1000 live births. Cyanotic congenital heart disease is often noted perinatally because of cyanosis, respiratory distress and/or poor feeding or other distress type problems. A review can be found here. Acyanotic congenital heart disease (ACHD) can present at birth but often is seen in older children or adults unless the lesions are severe, especially obstructive lesions. Severe lesions may also cause cyanosis and distress type problems in patients also. Shunting lesions cause problems by diverting blood flo...
Source: PediatricEducation.org - August 17, 2020 Category: Pediatrics Authors: Pediatric Education Tags: Uncategorized Source Type: news

What Are the Complications of Sickle Cell Trait?
Discussion Sickle cell disease (SCD) is a group of inherited blood disorders where there are abnormal hemoglobin molecules and the red blood cells take on a characteristic sickled shape instead of a rounded shape. Sickled hemoglobin provides an evolutionary advantage of giving the individual increased protection against severe and cerebral malaria. The sickled shape doesn’t move through the vascular system as well and therefore is more likely to aggregate in small vessels causing an increased risk of vaso-occlusive disease, acute chest syndrome, splenic sequestration, and priapism. There is also an increased risk of ...
Source: PediatricEducation.org - September 4, 2023 Category: Pediatrics Authors: Pediatric Education Tags: Uncategorized Source Type: news