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)

Podcast #248: Family Presence During Resuscitation

Podcast #248: Family Presence During Resuscitation

Author: Aaron Lessen, M.D. Educational Pearls Traditionally the family is removed from the room during procedures and codes, but recent research shows that family presence may be beneficial. 50% pati...

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Podcast #249: D-Dimer

Podcast #249: D-Dimer

Author: Michael Hunt, M.D. Educational Pearls In the recent YEARS study, investigators checked every patient with suspicion for PE with a D-dimer, using a modified Wells score for risk stratification...

6 Sep 20173min

Podcast #248: Patent Foramen Ovale

Podcast #248: Patent Foramen Ovale

Author: Jared Scott, M.D. Educational Pearls The foramen ovale (FO) connects the left and right atria to allow oxygenated blood to bypass the developing lungs, it usually closes at birth but for some...

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Podcast #247: Are You Listening? - 3 Ear Emergencies You Can't Miss!

Podcast #247: Are You Listening? - 3 Ear Emergencies You Can't Miss!

Author: Don Stader, M.D. Educational Pearls Ear pain is a common complaint in adults and kids. A red, hot, painful ear with involvement of the pinna could indicate perichondritis - an infection of th...

2 Sep 20176min

Podcast #246: Fever in Sepsis

Podcast #246: Fever in Sepsis

Author: Nick Hatch, M.D. Educational Pearls A recent observational cohort study found that the biggest predictor for sepsis survival was fever. Those with higher fevers had better outcomes. Some poss...

31 Aug 20172min

Podcast #245: Hypoglycemia

Podcast #245: Hypoglycemia

Author: Dylan Luyten, M.D. Educational Pearls Hypoglycemia is very common in type 2 diabetics, and is often caused by insulin overdose or missed meals. Knowing the peak time of action for common diab...

29 Aug 20174min

Podcast #244: Clavicle Fracture Review

Podcast #244: Clavicle Fracture Review

Author: Nick Hatch, M.D. Educational Pearls The force required to break a clavicle is significant, so clavicle fracture may be associated with other injury (pneumothorax, vascular injury). Most fract...

27 Aug 20172min

Podcast #243: Sphenopalatine Nerve Block

Podcast #243: Sphenopalatine Nerve Block

Author: Don Stader, M.D. Educational Pearls Cluster headaches are usually intense, unilateral, and involve the periorbital area. CN V (Trigeminal) provides sensory and autonomic innervation the face...

25 Aug 20174min

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