Xanthochromia: yellow color is a red flag

Red Bull®: Red flag or red herring?

Article history: Received 22 December 2016 Accepted 27 December 2016 clinically relevant increase in theQT interval, especially in consideration that these were LQTS patients, and thus expected to have a prolonged QT intervals to begin with. As analogy, the guidelines for LQTS indicate that whenever mexiletine shortens the QTc by at least 40 ms it should be added to beta-blockers for chronic th...

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SYNOPSIS The statement made in some standard textbooksthatBenedict'squalitativetestgivesa green, yellow, or orange-red precipitate with pure solutions of glucose of varying strength has been shown to be incorrect. Pure solutions ofglucose give only a bright red precipitate at all concentrations. These changes in the colour of the suspensions are observed with urinary glucose only. The differenc...

Is It Time to Revisit the Red Flag Referral System?

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Consider two adolescents: Person One and Person Two. Person One has never used substances and exhibits relatively few behavioral (conduct) problems. On the other hand, Person Two uses substances frequently and more commonly exhibits poor conduct. If you were to guess, which of the individuals would you expect to have lower overall judgment and self-regulation? If you answered Person Two, your i...

A red flag in sarcoidosis: laryngeal obstruction.

with these measures there is always the risk of irreversible damage to the vocal cords, potentially causing permanent changes in vocal tone and phonation. Today, after 18 months of treatment the patient is doing well and FEV 1 remains stable in the range of 2.9–3 liters (78–80% of predicted value). Laryngeal involvement in sarcoidosis causing upper airway obstruction is rare but potentially lif...