Podcast #259: Transient Ischemic Attacks

Podcast #259: Transient Ischemic Attacks

Podcast #259: TIA

Author: Peter Bakes, M.D.

Educational Pearls

  • A TIA is defined as focal neurological deficit that resolves within 24 hours and has negative imaging. The etiology is a transient thrombus, embolus, or narrowing of a branch of a cerebral artery.
  • Screening tests are generally negative and low-yield. MRI and vascular imaging are usually done to look for reversible causes.
  • Patients presenting with TIA are usually admitted because of a higher risk for stroke. However, there are some patients that are low-risk and do not require admission. Risk can be assessed using the "ABCD" mnemonic: Age>60, BP (history of HTN), Clinical presentation (area of deficit), Diabetes/Duration of symptoms. See reference link for scoring sheet.
  • Patients with a low enough score may be eligible for outpatient follow-up.

References: http://www.stroke.org/sites/default/files/resources/tia-abcd2-tool.pdf?docID

Jaksot(1146)

Podcast # 327: No More Hemoccults

Podcast # 327: No More Hemoccults

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Podcast # 326: Valley Fever

Podcast # 326: Valley Fever

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Podcast #325: Vaping and Pneumonia

Podcast #325: Vaping and Pneumonia

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Podcast #324: Superwarfarin

Podcast #324: Superwarfarin

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Podcast #323: Calcium Channel Toxicity

Podcast #323: Calcium Channel Toxicity

Author: Jared Scott, M.D. Educational Pearls: Cardiac myocytes and vascular smooth muscle are dependent on an intracellular calcium influx for contraction. Pancreatic beta cells rely on calcium to re...

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Podcast #322: Methemoglobinemia

Podcast #322: Methemoglobinemia

Author: Nick Hatch, M.D. Educational Pearls: Methemoglobinemia is when the iron in hemoglobin is in the Fe3+ (ferric) state rather than the normal Fe2+ (ferrous) state. Methemoglobin cannot releas...

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Podcast #321: Migraine Treatment in ED

Podcast #321: Migraine Treatment in ED

Author: Jared Scott, M.D. Educational Pearls: Recent study compared Compazine with Benadryl vs. Dilaudid for acute migraine management in the ED. Compazine + Benadryl demonstrated migraine relief...

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Podcast #320: PE in Pregnancy

Podcast #320: PE in Pregnancy

Author: Don Stader, M.D. Educational Pearls: Pulmonary embolism is one of the leading causes of maternal mortality. There is disagreement among different medical societies about the value of D-di...

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