Differing rhythmicity or changes in condition; often used to describe fetal heart rate reflected on the fetal heart rate tracing as a slight irregularity or jitteriness.
The most common type of sickle cell crisis resulting from blood vessel obstruction by rigid, tangled sickle cells leading to tissue anoxia and possibly necrosis. Also called a painful crisis or infarctive crisis.
The largest of the four muscles that make up the quadriceps femoris; located on the outside of the thigh, extending from the hip joint to the common quadriceps tendon and inserted in the patella; extends the leg.
A radiographic test using a contrast medium to identify thrombi or obstruction in the veins of the lower extremities or the kidneys.
ventricular septal defect (VSD)
An abnormal opening in the septum separating the ventricles, usually resulting from failure of the fetal interventricular foramen to close; results in blood flow from the left ventricle to the right ventricle and recirculation of blood through the pulmonary artery and lungs.
A life-threatening arrhythmia that occurs when the ventricles produce several premature ventricular contractions in succession; usually due to a problem with the heart's conduction system and increased myocardial contractility.
A sensation of movement in which the client feels himself revolving in space (subjective vertigo) or his surroundings revolving about him (objective vertigo); may result from diseases of the inner ear or from disturbances of the vestibular pathways in the central nervous system.
1. Any small anatomic sac that contains liquid. 2. A small blister that contains clear fluid.
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