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  Cardiovascular disease (CVD) is the leading cause of illness and death worldwide, affecting millions of people across all age groups. Often referred to as heart disease or heart and blood vessel disease , cardiovascular diseases include a wide range of conditions involving the heart, arteries, veins, and circulation. Understanding what cardiovascular disease is, what causes it, how it is diagnosed, and how it can be prevented is essential for long-term health and quality of life. This comprehensive guide explains cardiovascular disease in clear, practical terms while offering actionable strategies for prevention, treatment, and living well with CVD. Overview: What Is Cardiovascular Disease? Definition of Cardiovascular Diseases (CVDs) Cardiovascular diseases (CVDs) are disorders that affect the heart and blood vessels. These conditions interfere with normal blood flow, oxygen delivery, and heart function, increasing the risk of serious complications such as heart attack ...

  Dizziness is a common condition that affects people of all ages and can range from mild lightheadedness to sudden dizzy spells that interfere with daily life. Many people describe it as feeling unsteady, off balance, or like the room is spinning. If you have ever thought, “I feel dizzy” or “why am I dizzy” , you are not alone. Understanding the causes of dizziness , recognizing dizziness symptoms , and knowing when to take action can help you manage the condition effectively and prevent future episodes. What Is Dizziness Dizziness is a broad term used to describe sensations such as lightheadedness, spinning, weakness, or feeling faint. It is not a disease itself but a symptom of various underlying conditions. People may experience dizziness in different ways, including Feeling dizzy or unsteady Sudden dizziness when standing or bending Feeling lightheaded and dizzy Dizzy and nauseous sensations In some cases, dizziness is temporary and harmless. In others, it may sig...

  The tilt table test is a diagnostic procedure used to evaluate autonomic nervous system disorders , including Postural Orthostatic Tachycardia Syndrome (POTS) , syncope (fainting) , and orthostatic hypotension . By simulating the effects of standing in a controlled environment, this test helps doctors determine how your heart rate and blood pressure respond to positional changes. For patients experiencing dizziness, rapid heartbeat, fainting, or unexplained fatigue, the tilt table test provides critical insights into cardiovascular and autonomic function . What is a Tilt Table Test? A tilt table test involves lying on a motorized table that can move from a horizontal to a vertical position while monitoring heart rate, blood pressure, and sometimes blood oxygen levels. The goal is to observe how your body reacts to changes in posture and identify abnormal cardiovascular or autonomic responses. This test is especially valuable for diagnosing conditions like: POTS (Postu...