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a severelyasphyxiatednewborn appears with heart murmur at birth or within first few hours of life, but murmur improves or disappears after 24-36 hours, diagnosis is
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tricuspid regurgitation. remember, a severely asphyxiated newborn appears with heart murmur at birth or within first few hours of life, but murmur improves or disappears after 24-36 hours, diagnosis is tricuspid regurgitation. (Very, very important for Board examination
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An asphyxiated full-term newborn was intubated in delivery room, appears at birth with grade 2-3/6 systolic murmur in lower sternal border. CXR reveals mild cardiomegaly. Reexamination at 12 hours of age reveals louder murmur and progressive deterioration of clinical condition. After 24-36 hours of age clinical condition improves and heart murmur disappears. EKG may reveal S-T and T-wave changes; cardiac-specific creatine kinase (MB fraction) may be elevated Most likely diagnosis: tricuspid regurgitation. Etiology: transient papillary muscle dysfunction is due to ischemia. Key words: please remember, a severely asphyxiated newborn appears with heart murmur at birth or within first few hours of life, but murmur improves or disappears after 24-36 hours, diagnosis is tricuspid regurgitation. (Very, very important for Board examination
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