Tagged ‘Subarachnoid Hemorrhage’

Journal Review

The Ottawa SAH Decision Instrument

Filed Under: Tags: , , February 15th, 2018 Leave a Comment

Acute headaches account for 1-2% of all ED visits. Of these patients, 1-3% will actually have a subarachnoid hemorrhage (SAH) (Goldstein 2006). This makes it a rare, challenging to make diagnosis but,
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Journal Review

Predictive Factors for Rebleeding in Aneurysmal Subarachnoid Hemorrhage

Filed Under: Tags: , , , May 4th, 2017 One Comment

In patients with subarachnoid hemorrhage, one of the major early complications is rebleeding, with reported incidences ranging from 8% to 23% in the first 72 hours (Larsen 2010).  If repair of the ruptured aneurysm is performed successfully in a timely fashion,
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Journal Review

False Negative NCHCT in SAH

Filed Under: Tags: , , , February 16th, 2017 Leave a Comment

Patients presenting with severe, sudden onset headaches can present a challenge to Emergency Physicians. While most headaches are benign, a minority of them are  a symptom of aneurysmal subarachnoid headaches (aSAH);
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Journal Review

Sensitivity of NCHCT < 6 Hours After Symptom Onset in Suspected SAH

Filed Under: Tags: , , , April 28th, 2016 Leave a Comment

Thanks to Salim Rezaie (@srrezaie) for peer-reviewing this post.

Acute headache is a common emergency department presentation that accounts for 1-2% of all encounters (Goldstein 2006) The differential includes many life-threatening diagnoses,
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Journal Review

Spectrophotometry or Visual Inspection for Xanthochromia

Filed Under: Tags: , , , , March 3rd, 2016 Leave a Comment

Although non-contrast head CT (NCHCT) has near perfect sensitivity (98-100%) in detecting aneurysmal subarachnoid hemorrhage (SAH) when performed within 6 hours of headache onset, sensitivity declines after 6 hours. As a result of declining sensitivity,
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Journal Review

Lumbar Puncture After Normal NCHCT in Suspected Subarachnoid Hemorrhage

Filed Under: Tags: , , , , February 4th, 2016 Leave a Comment

Acute headache is a common emergency department presentation that accounts for 1-2% of all encounters (Goldstein 2006) The differential includes many life-threatening diagnoses, one of which is aneurysmal subarachnoid hemorrhage (SAH).
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