Efficacy of Sacubitril/Valsartan in a Patient With Heart Failure and Impaired Secretion of Atrial Natriuretic Peptide Due to Long-Standing Persistent Atrial Fibrillation.

Atrial natriuretic peptide (ANP) is a circulating hormone released from the atria in response to wall stretch and volume overload in the setting of heart failure. When atrial fibrillation (AF) becomes long-standing persistent, ANP secretion in response to volume overload is impaired due to degenerative changes of the atria. Here, we report a case of heart failure with preserved ejection fraction and impaired ANP secretion due to long-standing AF.

A Case Report of Wet Beriberi Due to Excessive White Rice Consumption in an Elderly Male Patient: A Potentially Forgotten and Underrecognized Disease.

Thiamine deficiency can cause various clinical manifestations. Wet beriberi, a phenotype of thiamine deficiency, is often underdiagnosed in clinical practice due to the nonspecificity of symptoms. An 83-year-old man presented to a primary care clinic with a two-month history of progressing edema in the scrotum and lower extremities.

Apical Acute Myocardial Infarction Due to Occluded Posterior Descending Branch of Right Coronary Artery Concomitant With Short Left Anterior Descending Artery: Multi-imaging Modality Assessment.

Regional wall motion abnormality in the left ventricular (LV) apex detected on transthoracic echocardiography is commonly interpreted as the presence of a distal left anterior descending (LAD) artery lesion in clinical practice. Herein, we reported a rare case of apical acute myocardial infarction (AMI) caused by an occluded posterior descending branch of the right coronary artery (RCA), in which the correspondence between coronary arterial anatomy and supplied LV apex was evaluated by multi-imaging modalities. Despite the presence of regional wall motion abnormality in the LV apex, left coronary angiography showed no significant coronary artery diseases.