[Left coronary artery with anomalous origin and course]. / Arteria coronaria izquierda con origen y trayecto anómalos.

We report a 45 year-old patient with angina and positive exercise test. In the coronary arteriography that left coronary artery rose from a vascular structure that connected the aorta to the middle of the left anterior descending coronary artery. In the right coronary artery there was a 90% stenosis. An ACTP was made in this stenosis. The patient displayed no symptoms eight months after the procedure. We have not found in the literature and anomaly of the left coronary artery similar to what was found in this patient.

[A free-ball thrombus in the left atrium in the absence of mitral pathology]. / A propósito de un trombo esférico libre en la aurícula izquierda en ausencia de patología mitral.

One male 53-year-old that was diagnosed of dilated myocardiopathy two years ago, was admitted at the emergency room by acute pulmonary oedema, showing the two dimensional echocardiographic study one free-floating thrombus in the left atrium. Waiting for surgery the patient suffered a syncope that was diagnosed of embolic origin and the left atrial thrombus has disappeared.