منابع مشابه
Dizygotic twin with congenital AV block
The incidence of congenital atrioventricular (AV) block is estimated to be about 1 in 15,000-20,000 births. Although it is a rare disease, it increases fetal, neonatal, and childhood morbidity and mortality, and 60%-65% of all cases are reported to require pacemaker implantation before reaching adulthood (1). This disease can be idiopathic, but it is mostly caused by transmission of auto-antibo...
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Infantile pyknocytosis (IP) is a rare, self-limited neonatal haemolytic anaemia that may require multiple blood transfusions. Only a little more than 50 cases have been reported in the medical literature, and the great majority of them concerns term infants. The etiology of IP is not well understood; most likely it results from a transient extra-corpuscular factor, whose nature is unknown, tran...
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Cataract, defined as opacity of the lens in one or both eyes, is a major cause of blindness throughout the world, and not uncommon, particularly in the elderly population. However, congenital cataracts are rare and occur with a frequency of 30 cases in 100,000 births. About one-third of the cases fall into the group inherited without systemic abnormality. Importantly, congenital cataracts produ...
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Second-degree AV block includes a variety of conduction patterns of variable prognostic significance. Careful analysis of the pattern of PR and R-R intervals, the QRS axis and duration, as well as the presence or absence of structural heart disease should allow the medical director to assess the applicant's risk for life insurance.
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The electrocardiogram in Fig. 1 shows a sinus rhythm of approximately 60 beats/min with two widely separated Pwave components. This reflects significant atrial conduction delay. The first three beats in Fig. 2 are similar to Fig. 1 with two distinct components, as shown by an asterisk and arrow in Fig. 3. However, the fourth P-wave only consists of the initial deflection (marked by an asterisk)...
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ژورنال
عنوان ژورنال: Anadolu Kardiyoloji Dergisi/The Anatolian Journal of Cardiology
سال: 2015
ISSN: 1302-8723,1308-0032
DOI: 10.5152/akd.2014.5698