Emergency medicine clinics of North America
-
Emerg. Med. Clin. North Am. · Feb 2006
ReviewECG manifestations of selected metabolic and endocrine disorders.
Alterations in serum calcium and potassium concentration may manifest as detectable changes on the ECG and alert the emergency physician to the presence of an underlying electrolyte disturbance. In addition, various endocrine abnormalities, metabolic disturbances, and environmental emergencies may cause alterations in the ECG.
-
This article includes a discussion of limb electrode misconnection,precordial electrode misconnection and misplacement, and electro-cardiographic artifact.
-
Knowledge of the basics of pediatric ECG interpretation is helpful in differentiating normal from abnormal findings. These basics include familiarity with the age-related normal findings in heart rate, intervals, axis, and waveform morphologies; an understand-ing of cardiac physiologic changes associated with age and maturation, particularly the adaptation from right to left ventricular predominance; and a rudimentary understanding of common pediatric dysrhythmias and findings associated with congenital heart diseases.