A 50-year-old man comes to the ED after 2 episodes of loss of consciousness and vomiting. Jaw clenching with a short period of unresponsiveness is observed in the ED. ECG is significant for bradycardia and sinus bradycardia. He had sprayed his home for termites 10 hours earlier. What is the problem here?

A 50-year-old man wonders whether the many asymptomatic lesions he has had for “almost all my life” can be removed. What are these lesions?

A 62-year-old man with a persistent snoring problem presented for an oral medicine consultation. Examination revealed very slight facial asymmetry. A sagittal series of tomograms was obtained. What do these findings suggest?

A 38-year-old man with a history of hypertension, depression, and alcohol abuse presented with total body weakness after drinking heavily the night before. His ECG is shown here. What diagnosis does this ECG indicate?

This relatively small (1 cm), pigmented nodule of uncertain duration was noticed on the left arm of a 57-year-old man with a history of skin cancer. What do you suspect here?

A 23-year-old African American woman had variably shaped areas of atrophy and hypopigmentation on the face and ear. Your diagnosis?

Fact check on this common disorder…

How much do you know about erythema annulare centrifugum?

A 67-year-old woman noted the appearance of several non-tender, rock-hard, purple-colored nodules on her legs. Her medical history was significant for distant non-Hodgkin lymphoma. The violaceous color and configuration of the skin lesions suggests which of the following?

A 56-year-old woman presents with pruritic skin lesions on the arms and legs. What does this pattern suggest?

A 29-year-old man presented with a 4-year history of headache and severe neck pain. What does the cervical MRI scan without contrast reveal?

A 45-year-old woman had painless, red, crusted papules on the hand. There was no history of trauma. The patient had a home aquarium. Your diagnosis?

A 46-year-old woman presented with the new onset of a slightly stinging and burning, expanding patch on the upper abdominal skin. Your diagnosis?

A 43-year-old man had left eye irritation for 2 weeks. He denied trauma, headache, eye discharge, fever, cough, or vomiting; he had mild photophobia and slightly blurred vision. Your Dx?

Here: a quiz about treating oral candidiasis with an azole drug in an HIV-positive person.

These asymptomatic plaques developed on the legs of a 59-year-old woman with diabetes mellitus and pulmonary sarcoidosis. Biopsy showed a granulomatous infiltrate of epithelioid histiocytes and multinucleated giant cells surrounded by lymphocytes “layered” throughout the dermis. What’s your diagnosis?

This man had been taking vancomycin and piperacillin/tazobactam for 3 weeks for osteomyelitis. What does the rash look like to you?

Many caveats govern the management of hepatitis B during pregnancy. Do you know which antiviral drugs are classified as pregnancy category B?

No gallstones were found on RUQ ultrasound in this 45-year-old patient, but a polyp was seen. How would you proceed?

This man was born with digital deformities. X-rays show absent middle and distal 2nd, 3rd, and 4th phalanges with tapering proximal phalanges and tapering of the distal 5th phalanx and distal 1st phalanx. No TBX5 gene mutation. What’s your diagnosis?