Systems

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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Myths and Realities: Ginger Ale in Treating Nausea and Vomiting

September 3, 2009
Myths and Realities:  Ginger Ale in Treating Nausea and Vomiting

Chau Che MD

Faculty peer reviewed

Despite the numerous medications available for the treatment of nausea and vomiting, some patients and doctors insist that ginger ale will alleviate gastrointestinal symptoms. As early as the first century AD, the Greek physician Dioscorides praised ginger root because it “gently stimulates the gut and is profitable for the stomach” (4). During the 16th century, the physician Lonicerus similarly wrote, “Ginger does good for a bad stomach” (4). Ginger has long medicinal roots…

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Can you offer a liver transplant to a patient with HIV?

August 28, 2009
Can you offer a liver transplant to a patient with HIV?

Faculty Peer Reviewed

Uzma Sarwar MD

Coincident with greater use of highly active antiretroviral therapy (HAART), chronic liver disease has become one of the leading causes of death amongst HIV patients. This reflects the high prevalence of chronic liver diseases in the HIV-infected; almost a third of HIV-seropositive patients are afflicted with liver disease, predominantly as a result of hepatitis B and/or hepatitis C co-infection. Given their increased life-span, many HIV-infected patients now progress to end-stage liver disease, where…

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Diseases 2.0: Calcific Uremic Arteriolopathy (CUA)

August 26, 2009
Diseases 2.0: Calcific Uremic Arteriolopathy (CUA)

Rebecca Hall MD

Faculty Peer Reviewed

Diseases 2.0 – Bringing you the latest updates on disease pathophysiology and treatment

Patient S.J. is a 36 year old female with a 20 year history of lupus and lupus nephritis now with end stage renal disease (ESRD) on hemodialysis. She presented with indurated, violaceous skin lesions with ulceration on both thighs. The lesions worsened and became increasingly painful over the last 6 months. Her extensive four month hospital course has…

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CT Colonography-The Future of Colorectal Cancer Screening?

August 21, 2009
CT Colonography-The Future of Colorectal Cancer Screening?

Ely R. Felker


Faculty Peer Reviewed

The patient is a 52 year-old white male who presented to his internist for a routine examination. He has no family history of colorectal cancer. He has not previously been screened. He recently heard about CT colonography and would like to know how it compares to conventional colonoscopy. Colorectal cancer (CRC) is the third most common cancer and the second most common cause of cancer death…

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Class Act: How Do You Diagnose Polymyalgia Rheumatica?

August 12, 2009
Class Act: How Do You Diagnose Polymyalgia Rheumatica?

Eve Wadsworth MD

Faculty Peer Reviewed

Polymyalgia rheumatica (PMR) is a condition that resembles several different disorders including osteoarthritis and can be difficult to diagnose. In addition to osteoarthritis, PMR can resemble conditions as diverse as depression, fibromyalgia, myopathic drug reactions, and malignancy. PMR, however, can be associated with dangerous consequences, namely blindness, and is responsive to well-established treatment regimens. As such, familiarity with PMR’s presentation and its unique features is critical so as to avoid serious complications that…

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Why is Syphilis Still Sensitive to Penicillin?

July 30, 2009
Why is Syphilis Still Sensitive to Penicillin?

Sam Rougas MD

Faculty Peer Reviewed

It seems that every week a new article in a major newspaper is reporting what most infectious disease physicians have been preaching for several years. Antibiotic resistance is rapidly spreading. Infections such as Methicillin Resistant Staphylococcal Aureus, Extremely Drug Resistant Tuberculosis, and Vancomycin Resistant Enterococcus have journeyed from the intensive care units to the locker rooms of the National Football League. That being said, some bacteria have strangely and until recently inexplicably behaved. Syphilis, a disease caused…

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The Asian Glow: A unique screening tool to evaluate for an elevated risk of esophageal cancer

July 29, 2009
The Asian Glow: A unique screening tool to evaluate for an elevated risk of esophageal cancer

Cindy Mui MD

Faculty Peer Reviewed

The alcohol flushing response is a physiologic response to ingestion of alcohol and is characterized by facial flushing, nausea, tachycardia, and hypotension, felt to be due to an inherited deficiency in the enzyme aldehyde dehydrogenase 2 (ALDH2). It is experienced by one third of East Asians and is more commonly known as the “Asian glow” or the “Asian flush”(1). Although the alcohol flushing response is generally seen as cosmetic and even embarrassing on…

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Mystery Quiz- The Answer

July 23, 2009
Mystery Quiz- The Answer

Vivian Hayashi MD and Robert Smith MD, Mystery Quiz Section Editors

The answer to the mystery quiz is bland alveolar hemorrhage. The CXR (image 1) shows cardiomegaly with mild increase in opacification of the right middle and right lower lobes. The CT images show areas of multifocal ground glass opacification, that is, the underlying interstitium is visible through the opacification, and the variably sized opacities are widely distributed throughout the lungs (images 2, 3, and 4). Image 4 shows prominent interstitium…

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Mystery Quiz

July 18, 2009
Mystery Quiz

Vivian Hayashi MD and Robert Smith MD, Mystery Quiz Section Editors

The patient is a 74 year old man complaining of hemoptysis for four days. The patient has a history of hypertension, but had not been followed medically for many years until two weeks earlier when he presented with leg swelling, breathlessness, and atrial flutter. He was admitted, diuresed, begun on antihypertensive medications including hydralazine, aspirin, and anti-coagulated with enoxaparin and warfarin. After discharge, the patient felt well for a few days before…

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Myths and Realities: Colon Cleansing: Healthful or just a load of @$%!

July 16, 2009
Myths and Realities: Colon Cleansing: Healthful or just a load of @$%!

Chau Che MD

Faculty Peer Reviewed

You’ll have increased energy, radiant skin, reduced joint pain, improved asthma symptoms, and best of all…you will lose weight. These are some of the purported benefits of removing “toxins” (otherwise known as undigested material) from the colon through cleansing. As with fashion, music, and art, what’s old has a way of becoming trendy again…especially when celebrities such as Beyonce talk about it on the Oprah Winfrey show. Colon cleansing has become popular but it…

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A Primer on H1N1

July 15, 2009
A Primer on H1N1

Liana Barkan MD

Faculty Peer Reviewed 

So much mystery and confusion, and yet so few answers, surround the current H1N1 Pandemic. From where did it come? How did it evolve to have genes from avian, human, and swine flu viruses? How does a virus that normally requires direct contact with the source animal develop the ability to sustain human-to-human transmission? What determines its mechanism of pathogenicity? Before we can attempt to answer these questions we need to review the basic pathophysiology…

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