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 # 423: Blunt Cardiac Injuries

Podcast # 423: Blunt Cardiac Injuries

Author: Mike Hunt, MD Educational Pearls: Blunt cardiac injuries most commonly occur in motor vehicle collisions, auto-pedestrian collisions, and from sports injuries The more anterior right ventri...

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Podcast # 422: ED Opioid Prescription Trends

Podcast # 422: ED Opioid Prescription Trends

Author: Jared Scott, MD Educational Pearls: From 1996 to 2012, the total quantity of opioids prescribed increased 647% for non-cancer pain Office based prescriptions accounted for 84% of the total ...

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Podcast # 421: Sweet DKA Pearls

Podcast # 421: Sweet DKA Pearls

Author: Gretchen Hinson, MD Educational Pearls:   Diabetic ketoacidosis patients are subject to electrolyte derangements Potassium should be monitored closely: K 3.3 K > 5.3 = delay potassium repl...

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Podcast # 420: CT Contrast and the Kidneys

Podcast # 420: CT Contrast and the Kidneys

Author: Don Stader, MD Educational Pearls: Recent meta-analysis has demonstrated that there is no significant risk for kidney injury from CT contrast Most kidney injury seen after contrast CTs wer...

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Podcast # 419: Etripamil

Podcast # 419: Etripamil

Author: Don Stader, MD Educational Pearls: Etripamil is an intranasal calcium channel blocker in development for use in SVT A recent study showed that etripamil has an SVT conversion rate of arou...

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Podcast # 418: Vertebral Artery Dissection

Podcast # 418: Vertebral Artery Dissection

Author: Don Stader, MD Educational Pearls: Vertebral artery dissection (VAD) contributes to just 2% of strokes overall but ~25% of strokes for patients VAD is associated with minor trauma (chiroprac...

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Podcast # 417: Water Balance

Podcast # 417: Water Balance

Author: Katie Sprinkle, MD Educational Pearls: Hyponatremia results when patients over hydrate and dilute their sodium with too much free water Symptoms of hyponatremia can mimic symptoms of dehydrat...

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Podcast # 416: Wide Complex Tachycardia

Podcast # 416: Wide Complex Tachycardia

Author: Aaron Lessen, MD Educational Pearls: Defined as QRS over 120 ms and rate over 120 Two major rhythms = Vetricular tachycardia (VT) or SVT with aberrancy Safest approach is to assume it is VT S...

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