Monday, 3 July 2023

                                 Modern methods of treating congenital heart defects



Congenital heart disease (CHD) refers to structural abnormalities of the heart or its major blood vessels that are present at birth. These abnormalities can affect the heart's structure, function, or both. CHD is the most common type of birth defect, occurring in approximately 1 in every 100 births.

Here are some important points about congenital heart disease:


Types of CHD: There are various types of congenital heart defects, ranging from mild to severe. Some common examples include atrial septal defect (ASD), ventricular septal defect (VSD), tetralogy of Fallot, coarctation of the aorta, and transposition of the great arteries.


Treatment of congenital heart disease

Medications: Medications may be prescribed to manage symptoms and improve heart function. These can include diuretics to remove excess fluid, medications to control blood pressure, and medications to help the heart pump more effectively.


Catheter-Based Procedures: Some congenital heart defects can be treated using minimally invasive catheter-based procedures. This involves inserting a thin tube (catheter) through a blood vessel and guiding it to the heart. Procedures such as balloon angioplasty, stenting, and closure of defects (such as atrial septal defect or patent ductus arteriosus) can be performed using this approach.


Open-Heart Surgery: More complex congenital heart defects often require open-heart surgery. Surgical procedures may involve repairing or replacing heart valves, closing septal defects, enlarging narrowed blood vessels, or reconstructing abnormal heart structures. Surgeons may use techniques like cardiopulmonary bypass (heart-lung machine) during the procedure.


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Monday, 26 June 2023

                                                           

          What Causes Hypertension


Hypertension is a condition where the long-term force of blood against artery walls is high enough to eventually lead to heart disease, stroke, or death. Unmanaged hypertension and heart disease are rising global health issues impacting 85 million Americans.1  Hypertension is referred to as the “silent killer” because there are often no warning signs and many people don’t know they have it. This is why regularly checking one’s blood pressure is important. Hypertension is impossible to combat if you don’t understand the factors that contribute to it.

In 1 in 20 cases, hypertension occurs as the result of an underlying medical condition or medication. Some conditions that can cause high blood pressure are kidney disease, diabetes, lupus, long-term kidney infections, Cushing syndrome, and hormone problems. Risk factors like obesity, heavy alcohol and tobacco use, physical inactivity, a salt-rich and low potassium diet can also increase your chances of having hypertension.

Blood pressure is best regulated through a balanced diet before it reaches the stage of hypertension. But there are treatment options, like lifestyle changes, that can address high blood pressure.

·         Get active – Get 150 minutes of moderate aerobic activity a week.

·         Eat the rainbow – Healthy nutrient-rich, low-sodium, high-potassium meals.

·         No puffing – Smoking cigarettes raises your blood pressure, putting you at risk. Call the Alaska Quit Line for help at 1-800-784-8669.

·         Limit Alcohol – Men should have no more than 2 drinks a day, women no more than 1.2

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Thursday, 22 June 2023

                                          Heart Disease and Failing Kidney function



Heart disease and failing kidney function can be interconnected and have a significant impact on each other. The heart and kidneys are closely linked through a complex relationship known as cardiorenal syndrome, where dysfunction in one organ can lead to dysfunction in the other.

Heart disease, such as coronary artery disease, heart failure, or arrhythmias, can contribute to kidney problems. Reduced blood flow and inadequate oxygen supply to the kidneys can impair their function. Additionally, certain heart conditions can cause fluid retention, leading to an increase in blood volume and subsequent strain on the kidneys. Over time, this can result in reduced kidney function or even chronic kidney disease.

Managing both heart disease and failing kidney function requires a comprehensive approach. Treatment strategies may include:

Medications: Various medications can help manage heart disease and kidney dysfunction. These may include medications to control blood pressure, reduce fluid retention, regulate heart rhythm, and protect kidney function.

Lifestyle modifications: Adopting a heart-healthy lifestyle can benefit both the heart and kidneys. This includes eating a balanced diet low in salt and saturated fats, engaging in regular physical activity, maintaining a healthy weight, and avoiding smoking and excessive alcohol consumption.

Fluid and diet management: Restricting fluid and sodium intake may be necessary to alleviate the burden on the heart and kidneys. In advanced cases, strict fluid and dietary restrictions may be prescribed to manage fluid buildup and maintain electrolyte balance.

Dialysis or kidney transplantation: In cases of severe kidney failure, dialysis or kidney transplantation may be required to replace kidney function and improve overall health.

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Tuesday, 20 June 2023

                                                                  pulse Rate

Pulse rate, also known as heart rate, refers to the number of times a person's heart beats in one minute. It is often measured as beats per minute (BPM) and is an essential indicator of cardiovascular health and fitness. A normal resting pulse rate for adults typically ranges between 60 and 100 BPM. However, factors such as age, fitness level, overall health, and activity level can influence an individual's pulse rate.

It's important to note that pulse rate can vary throughout the day and in response to physical activity, stress, illness, or medication. Regular exercise and maintaining a healthy lifestyle can help keep your pulse rate within a normal range and contribute to overall cardiovascular well-being. If you have concerns about your pulse rate or experience symptoms like persistent rapid or irregular heartbeats, it's advisable to consult a healthcare professional for a proper evaluation and guidance.


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Saturday, 17 June 2023

                                                 COVID-19 infection heart attack

There is some evidence to suggest that COVID-19 can increase the risk of heart-related complications, including heart attacks (also known as myocardial infarctions). However, it's important to note that I am an AI language model and not a medical professional. The information I provide should not be considered as a substitute for professional medical advice.

COVID-19 primarily affects the respiratory system, but it can also impact other organs, including the heart. The virus can cause inflammation throughout the body, including in the cardiovascular system. This inflammation, along with other factors, may contribute to an increased risk of heart attacks in some individuals.

People with pre-existing heart conditions, such as coronary artery disease or heart failure, may be at a higher risk of experiencing heart complications if they contract COVID-19. Additionally, individuals with severe cases of COVID-19, especially those requiring hospitalization or intensive care, may also be at an increased risk.

If you have concerns about your heart health or believe you may have had a heart attack, it's crucial to seek immediate medical attention. Contact emergency services in your country or go to the nearest emergency room.

To protect yourself from COVID-19 and reduce the risk of heart-related complications, it's important to follow recommended preventive measures, such as getting vaccinated (if eligible), practicing good hand hygiene, wearing masks, maintaining physical distancing, and following any guidelines or recommendations provided by local health authorities.

For personalized advice and information about COVID-19 and heart-related concerns, please consult a healthcare professional or cardiologist. They will be able to provide you with the most accurate and up-to-date information based on your individual health circumstances.


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Wednesday, 14 June 2023

                                                               Human Heart


Structure: The heart is a muscular organ located slightly left of the center of the chest. It is about the size of a clenched fist and weighs around 250-350 grams in adults. The heart is divided into four chambers: two upper chambers called the atria (singular: atrium) and two lower chambers called the ventricles.

Function: The heart functions as a pump that circulates blood throughout the body. The right side of the heart receives deoxygenated blood from the body and pumps it to the lungs for oxygenation. The left side of the heart receives oxygenated blood from the lungs and pumps it to the rest of the body.

Blood circulation: Blood enters the heart through the superior and inferior vena cava, which carry deoxygenated blood from the body into the right atrium. From there, it moves into the right ventricle and is pumped to the lungs through the pulmonary artery. In the lungs, oxygen is picked up, and carbon dioxide is released. Oxygenated blood returns to the heart through the pulmonary veins, entering the left atrium. It then passes into the left ventricle, which pumps it out to the body through the aorta.

Cardiac cycle: The heart undergoes a series of rhythmic contractions and relaxations known as the cardiac cycle. During each cycle, the atria contract simultaneously, filling the ventricles with blood. This is followed by the contraction of the ventricles, pumping blood out of the heart. The relaxation phase allows the chambers to refill with blood and prepares for the next cycle.

Coronary circulation: The heart itself requires a constant supply of oxygen and nutrients. Coronary arteries branch off the aorta and provide oxygenated blood to the heart muscle. The coronary veins collect deoxygenated blood and return it to the right atrium.

Heart rate and regulation: The rate at which the heart beats is controlled by the sinoatrial (SA) node, often referred to as the heart's natural pacemaker. The SA node generates electrical impulses that regulate the heart's contractions. The autonomic nervous system, specifically the sympathetic and parasympathetic branches, helps regulate heart rate and adjust it according to the body's needs.

Heart diseases: The heart can be affected by various conditions and diseases, including coronary artery disease, heart failure, arrhythmias, and valvular disorders. Lifestyle factors, genetics, and underlying medical conditions can contribute to the development of heart diseases.


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Behnaz Eftekhari | Innovative Research Award | #cardiac #cardiology #cardiacrehab

 Behnaz Eftekhari is presented in this recognition profile in connection with research activity spanning biomaterials, tissue engineering, r...