Episode 960: Frank's Sign - A Marker for Coronary Artery Disease

Episode 960: Frank's Sign - A Marker for Coronary Artery Disease

Contributor: Travis Barlock MD
Educational Pearls

  • Frank's sign is a curious physical exam finding first described in the literature in 1973
    • Bilateral earlobe creases are recognized as a marker of coronary artery disease and cerebrovascular disease
  • Some studies have found an increase in all-cause mortality in patients with bilateral diagonal earlobe creases
  • The pathophysiology is still not fully understood
    • One 2020 study found histopathological changes associated with diagonal earlobe creases, potentially linking them via a model of hypoxia/reoxygenation

References

  1. Elliott WJ, Karrison T. Increased all-cause and cardiac morbidity and mortality associated with the diagonal earlobe crease: a prospective cohort study. Am J Med. 1991;91(3):247-254. doi:10.1016/0002-9343(91)90123-f
  2. Nazzal S, Hijazi B, Khalila L, Blum A. Diagonal Earlobe Crease (Frank's Sign): A Predictor of Cerebral Vascular Events. Am J Med. 2017;130(11):1324.e1-1324.e5. doi:10.1016/j.amjmed.2017.03.059
  3. Stoyanov GS, Dzhenkov D, Petkova L, Sapundzhiev N, Georgiev S. The Histological Basis of Frank's Sign. Head Neck Pathol. 2021;15(2):402-407. doi:10.1007/s12105-020-01205-4

Summarized & Edited by Jorge Chalit, OMS4

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Episode 958: Intranasal Fentanyl

Episode 958: Intranasal Fentanyl

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Episode 957: Cardiac Asthma

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Episode 956: Psychedelics and Risk of Schizophrenia

Episode 956: Psychedelics and Risk of Schizophrenia

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Episode 955: Cardiac Effects of COVID-19

Episode 955: Cardiac Effects of COVID-19

Contributor: Ricky Dhaliwal, MD Educational Pearls: What factors are considered in a COVID-19 infection? The viral load: Understood as the impact of SARS-CoV-2 viral particles infecting host cell tis...

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Episode 954: Combo Rescue Inhalers - New Guidelines

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Episode 953: Penicillin Allergies

Episode 953: Penicillin Allergies

Contributor: Geoff Hogan MD Educational Pearls: Penicillin allergies are relatively uncommon despite their frequent reports 10% of the population reports a penicillin allergy but only 5% of these...

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Episode 952: Heart Transplants

Episode 952: Heart Transplants

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Episode 951: Pediatric Febrile Seizures

Episode 951: Pediatric Febrile Seizures

Contributor: Taylor Lynch, MD Educational Pearls: Pediatric febrile seizures are defined as seizures that occur between the ages of six months to five years in the presence of a fever greater than o...

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