With careful auscultation, vou can often detect splitting of the heart sounds. It is more evident
during inhalation when thoracic pressure changes enough to allow the valves to close at slightly
different times. For instance, second heart sound (S2) splitting results from nonsimultaneous
closures between aortic (A2) and pulmonary valves (P2) and may be used to detect timing
differences in relaxation between right and left ventricle. Abnormal splitting of heart sounds may
be heard with heart block, septal defects, hypertension, and other causes. EXPTRATION
INSPIFAITIN A. Normal S11S2A2P2S11S2A2P2 B Atrial septal defect C Expiratory spliting
with inspiratory S11S2A2P2 increase (RBBB; idiopathic dilatation PA) D. Reversed splitting
(LBBB, aortic stenosis) E Close lixed splitting (puimonary hypertension) Sourcen i. Lameson, A.
S. Fauc, D.L Kaspe, S.L Haver, D.L Longo, 2. Loscalio: Hacrison's Mancual of Medicine.
Twenteeth Eotition. Using the diagram above, diagnose a patient with S2 splitting in which the
pulmonary valves close later and louder than the aortic valves during both inspiration and
expiration. pulmonary hypertension aortic stenosis normal atrial septal defect.
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With careful auscultation, vou can often detect splitting of the hear.pdf
1. With careful auscultation, vou can often detect splitting of the heart sounds. It is more evident
during inhalation when thoracic pressure changes enough to allow the valves to close at slightly
different times. For instance, second heart sound (S2) splitting results from nonsimultaneous
closures between aortic (A2) and pulmonary valves (P2) and may be used to detect timing
differences in relaxation between right and left ventricle. Abnormal splitting of heart sounds may
be heard with heart block, septal defects, hypertension, and other causes. EXPTRATION
INSPIFAITIN A. Normal S11S2A2P2S11S2A2P2 B Atrial septal defect C Expiratory spliting
with inspiratory S11S2A2P2 increase (RBBB; idiopathic dilatation PA) D. Reversed splitting
(LBBB, aortic stenosis) E Close lixed splitting (puimonary hypertension) Sourcen i. Lameson, A.
S. Fauc, D.L Kaspe, S.L Haver, D.L Longo, 2. Loscalio: Hacrison's Mancual of Medicine.
Twenteeth Eotition. Using the diagram above, diagnose a patient with S2 splitting in which the
pulmonary valves close later and louder than the aortic valves during both inspiration and
expiration. pulmonary hypertension aortic stenosis normal atrial septal defect
