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MedSchool Forums USMLE QBank S2 splitting widens because …
Spoiler for Answer:
  • ↑O2 in the lung
  • There will be a delay in the opening/closing of the pulmonic valve due to the ↑ volume → Ex. AVM
  • ↑↑↑ Blood volume in the right ventricle (L→R shunts)

What can widen S2 splitting?
Spoiler for Answer:
  • Dilated heart
  • PS/PR
  • Deep breath
  • ASD (L→R shunt)
  • Early in Exercise
  • ↑ Fluid intake
  • SIADH
  • Right Bundle Branch Block

Threads tagged with "review"
  Thread / Thread Starter Last Post Replies Views
doctor_b
26-04-10 10:23
by Hasib Go to last post
1 2,502
DrIreland
20-07-09 09:36
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1 132
4paige99
04-02-08 16:40
by 4paige99 Go to last post
0 171
doctor_b
07-07-07 10:21
by LNB Go to last post
2 3,762
disulfiram_effect
05-07-07 17:31
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2 700
DrIreland
15-01-07 15:07
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1 2,080
Surgeon
27-09-06 02:22
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0 144
Surgeon
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Surgeon
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by Surgeon Go to last post
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Surgeon
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Surgeon
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by Surgeon Go to last post
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Surgeon
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by Surgeon Go to last post
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Surgeon
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by Surgeon Go to last post
0 159
Surgeon
11-07-06 00:40
by Surgeon Go to last post
0 149
Surgeon
30-06-06 13:13
by Surgeon Go to last post
0 169
doctor_b
11-06-06 11:25
by doctor_b Go to last post
0 441
doctor_b
27-03-06 16:45
by doctor_b Go to last post
0 2,159
disulfiram_effect
09-02-06 15:51
by disulfiram_effect Go to last post
0 520

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