19 Important Causes of Shortness of Breath – Dyspnea Explained

Shortness of breath, also known as dyspnea is a symptom that describes a sense of breathing discomfort or difficulty in breathing. It is often expressed as feeling out of breath or suffering from breathlessness. It is estimated that up to 7-8 percent of patients presenting to emergency rooms complain of dyspnea (1). In half of … Read more

17 Important Causes of Chest Pain

Chest pain

Chest pain is a common symptom associated with a variety of underlying causes. More than six million people visit hospital emergency departments in the United States each year because of chest pain (1). The cause of chest pain may vary from life-threatening conditions to those that are relatively harmless. Chest pain is most commonly caused by … Read more

Polycystic Ovary Syndrome (PCOS) – From Symptoms to Diagnosis and Treatment

Polycystic ovary syndrome (PCOS) is a common disorder among women. It is characterized by menstrual irregularities, infertility, signs of androgen excess, and polycystic ovaries. It is often associated with obesity, insulin resistance, and lipid abnormalities. PCOS is the most common cause of infertility in women (1). PCOS was first described in 1934 by Irving F. Stein … Read more

Evolocumab (Repatha) for Heart Disease – The FOURIER Trial – Success or Failure?

The eagerly awaited results of the FOURIER trial were recently presented at the Annual Meeting of the American College of Cardiology (ACC) in Washington DC and simultaneously published in the New England Journal of Medicine (1). The goal of FOURIER was to evaluate the efficacy and safety of evolocumab (Repatha), a PCSK9 inhibitor, among subjects with elevated risk … Read more

VLDL – The Role of Triglyceride-Rich Lipoproteins and Remnant Cholesterol

Knowing the role of VLDL (very low-density lipoprotein) and chylomicrons is a key factor in understanding how lipids (fats) and lipoproteins are involved in atherosclerotic cardiovascular disease (ASCVD). In the current era of adiposity and metabolic disease, VLDL has gained a bigger role than before and may help explain many of the disorders associated with the obesity epidemic such … Read more