In this paper, we discuss a unique manifestation of malignant pheochromocytoma, which presented with ocular pain. The histopathological study pointed to a possible pheochromocytoma origin. ...Subsequently, the patient underwent thorough imaging and paraclinical evaluations, which confirmed the diagnosis of pheochromocytoma.
We report a case of sinus node reentry, an uncommon form of supraventricular tachycardia in a patient with no organic heart disease. This tachycardia appeared at times with wide QRS complexes, which ...made the differentiation between supraventricular and ventricular tachycardia somewhat difficult. The purpose of this report is to discuss features of sinoatrial node reentry tachycardia, both on surface electrocardiography and intracardiac electrography. Electrophysiologic studies are usually required to confirm the diagnosis.
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