Introduction

An arrhythmia is a problem with the rate or rhythm of your heartbeat. During an arrhythmia, the heart can beat too fast, too slow, or with an irregular rhythm. Arrhythmias are common, and many are harmless. However, some arrhythmias can be serious or even life-threatening.

Arrhythmias can occur for …

Introduction:

Gingivitis is a common and mild form of gum disease (periodontal disease) that causes irritation, redness, and swelling of your gingiva, the part of your gum surrounding the base of your teeth. It's important to take gingivitis seriously and treat it promptly. Gingivitis can lead to much more serious …

Introduction

Fordyce spots are small, painless, pale bumps that can appear on the skin of the lips, genitals, and other areas. They are harmless and not contagious. Fordyce spots are sebaceous glands, which are responsible for producing sebum, an oily substance that lubricates the skin and hair. In most cases …

Introduction

Allergies are an overreaction of the immune system to typically harmless substances in the environment. These substances, known as allergens, can range from pollen and pet dander to certain foods and medications. When someone with an allergy comes into contact with an allergen, their body releases histamine and other …

Introduction:

A chalazion is a small, usually painless bump or swelling that develops on your eyelid. It occurs when an oil gland in the eyelid becomes blocked. Chalazia are common and often don't require treatment if they are small and not bothering you. However, larger chalazia can cause discomfort, blurry …

Introduction

Piriformis syndrome is a condition that occurs when the piriformis muscle, a small muscle located deep in the buttock, compresses or irritates the sciatic nerve. The sciatic nerve is a large nerve that runs from the lower back down the back of each leg. Piriformis syndrome can cause pain …

Introduction:

Basal cell carcinoma (BCC) is the most common type of skin cancer. It typically appears as a pearly or waxy bump, often on sun-exposed areas like the face, ears, and neck. While BCC rarely spreads to other parts of the body, early detection and treatment are essential to prevent …

Introduction

The anterior cruciate ligament (ACL) is one of the major ligaments in your knee. It connects your thighbone (femur) to your shinbone (tibia) and helps stabilize the knee joint. An ACL tear is a common knee injury, often occurring during sports and other activities that involve sudden stops or …

Introduction:

Squamous cell carcinoma (SCC) is a common type of skin cancer that develops in the squamous cells, which make up the middle and outer layers of the skin. It often appears as a firm, red nodule or a scaly, crusted lesion. While SCC can occur anywhere on the body …

Introduction:

Hyponatremia is a condition that occurs when the concentration of sodium in your blood is abnormally low. Sodium is an essential electrolyte that helps regulate the amount of water in and around your cells. When the sodium levels in your blood become diluted, it creates an imbalance that can …