Allergy/Immunology

How Easily is Tuberculosis Spread?

March 31, 2010
How Easily is Tuberculosis Spread?

Molly Cason

Faculty peer reviewed

In a city of over 8 million people, New York City has an annual tuberculosis case rate of 11.4 per 100,000 people, which is more than twice the national average.  Seventy-one percent of these cases occur in people who were born outside the United States.1 As a student, I had a patient (Y) who was being evaluated for active tuberculosis because he is a household contact of a person (X) known to have active…

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Wheal and Flare: Chronic Urticaria Revisited

September 9, 2009
Wheal and Flare: Chronic Urticaria Revisited

Erin Ducharme MD

Faculty peer reviewed by Rardi Feigenbaum MD

Urticaria is a common cutaneous disorder characterized by transient edematous plaques resulting from acute dermal edema and surrounding erythema. Roughly 20% of the general population will manifest urticaria at some point in their lives, qualifying it as a condition caregivers should be able to recognize and treat. When the unsightly wheal and flare reaction combined with periods of intense pruritis persists for greater than six weeks without an identifiable causative…

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