This young woman's fingers become cold and white intermittently during the winter months since she moved to the northeast from the Caribbean. She also describes intermittent shortness of breath. What do you suspect?
The history of T-wave inversions, normal variant (or benign) causes, ST segment elevation myocardial infarction, hyperkalemia, Wellens’ syndrome, proximal left anterior descending artery occlusion—an evaluation of ECGs and what stories they can tell you.
Allergic contact dermatitis, drug-induced hypersensitivity syndrome, Stevens-Johnson syndrome, metastases to the skin, tinea versicolor, lichen spinulosus—a look at cutaneous conditions and their underlying causes.