Podcast #262: Pertussis

Podcast #262: Pertussis

Author: Julian Orenstein, M.D.

Educational Pearls

  • Colorado has a high population of unvaccinated children, and is at increased risk for pertussis outbreaks.
  • The causative organism is Bordetella pertussis. It causes causes respiratory epithelial necrosis leading to congestion of the bronchioles, leading to cough.
  • The cough is unique - it is usually a series of expiratory coughs followed by one deep inspiration
  • The clinical presentation is divided into 3 phases:
    • Catarrhal: cough and congestion with low-grade fever and coryza.
    • Whooping: characteristic cough.
    • Resolution: recovery with persistent cough.
  • Infants may not get this presentation, but may get apnea and nonspecific cough.
  • Tongue depressor can be used to elicit cough for diagnosis.

References: Tozzi AE, Pastore Celentano L, Ciofi degli Atti ML, Salmaso S. Diagnosis and management of pertussis. CMAJ : Canadian Medical Association Journal. 2005;172(4):509-515. doi:10.1503/cmaj.1040766.

Episoder(1145)

Deep Dive #6: Bacteriuria and the Elderly

Deep Dive #6: Bacteriuria and the Elderly

Author: Heidi Wald, MD, MSPH Associate Professor of Medicine - University of Colorado School of Medicine, Physician Advisor - Colorado Hospital Association Dr. Heidi Wald explains common misconceptio...

25 Sep 201729min

Podcast #255: Posterior Vitreous Detachment

Podcast #255: Posterior Vitreous Detachment

Author: Erik Verzemnieks, M.D. Educational Pearls Posterior vitreous detachment is the tearing of the lining in the back of of the eye. Patients often present with loss of vision and floaters. Diagno...

22 Sep 20171min

Podcast #254: Myths About Antibiotic Course Length

Podcast #254: Myths About Antibiotic Course Length

Author: Chris Holmes, M.D. Educational Pearls There's little/no data about the necessary length of an antibiotic course, nor has it proven that stopping a course of antibiotics early selects for the ...

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Podcast #253: Total Eclipse of the Eye - Solar Retinopathy

Podcast #253: Total Eclipse of the Eye - Solar Retinopathy

Author: Nick Hatch, M.D. Educational Pearls Photic or solar retinitis occurs when you stare at the sun. The refractive power of the lens of the eye concentrates the light of the sun on the retina, st...

18 Sep 20173min

Podcast #252: Mandible Fractures

Podcast #252: Mandible Fractures

Author: Sam Killian, M.D. Educational Pearls The tongue blade test is done for mandible fractures, which make up 40-60% of facial fractures. The test is done by having the patient bite down on a tong...

15 Sep 20174min

Podcast #251: Cyanide Poisoning

Podcast #251: Cyanide Poisoning

Author: Rachel Beham, PharmD, Advanced Clinical Pharmacist – Emergency Medicine Educational Pearls Cyanide poisoning is suspected in patients who present with lactic acidosis after being trapped arou...

13 Sep 20174min

Podcast #250: Desmopressin

Podcast #250: Desmopressin

Author: Rachael Duncan, PharmD BCPS BCCCP Educational Pearls Desmopressin is an ADH mimetic and helps retain water, release von Willibrand Factor (in high doses), and treat diabetes insipidus (in low...

11 Sep 20173min

Podcast #249: Detecting Pulses

Podcast #249: Detecting Pulses

Author: Jared Scott, M.D. Educational Pearls Overall, medical providers are bad at detecting pulses. However, only 2% of patients do not have a detectable DP pulse. In one study, for patients with l...

10 Sep 20173min

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