Preventing heart attack is easy! Find out how

Left Heart Failure

2009-08-02T23:05:00.004+05:30

To take the simplest example, what if something weakens the left ventricle so that it pumps a little less blood out of the lungs with each beat than the right ventricle pumps in [see figure] This...

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Heart Failure: In simple terms

2009-08-02T22:51:00.004+05:30

Imagine you were viewing a functioning model of a human, made of glass so that you could observe everything happening inside. You'd see dark blood rushing through the veins, all over the body,...

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Complications of Hypertension

2009-06-26T21:37:00.003+05:30

Hypertension is a dangerous disease because it can produce three major, potentially lethal complications. Congestive Heart Failure Imagine a worker who has the job of pumping water up a 20-foot...

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ARTERIAL BARORECEPTOR RESPONSE TO DECREASED ARTERIAL PRESSURE - Reference list

2009-06-21T00:16:00.000+05:30

References Contd... Goetz K: Physiology and pathophysiology of atrial peptides. Am J Physiol 254: E1–E15, 1988 Goldstein D: Plasma norepinephrine as an indicator of sympathetic neural activity in...

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MECHANISMS INVOLVED OVERALL CONTROL OF BLOOD PRESSURE

2009-06-21T00:03:00.004+05:30

Baroreflex Control of Blood Pressure The arterial baroreceptor reflex is the primary mechanism for the short-term or rapid control of arterial blood pressure, whereas neurohumoral factors ...

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LONG-TERM CONTROL OF BLOOD PRESSURE

2009-06-20T23:57:00.003+05:30

Although the sympathetic nervous system, through the sinoaortic baroreceptor reflex, plays a primary role in the rapid (minutes to hours) regulation of blood pressure, it appears to be less important...

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How to deal with High Blood Pressure?

2009-01-06T19:07:00.003+05:30

High Blood Pressure High blood pressure (BP) is the most common risk factor for cardiovascular disease in developed and developing countries. Since the late 1960s, in Europe and the United States,...

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Foam-Cell Formation due to Intracellular Lipid Accumulation

2008-12-01T22:03:00.003+05:30

Intracellular Lipid Accumulation: Foam-Cell Formation The monocyte, once recruited to the arterial intima, can there imbibe lipid and become a foam cell, or lipid-laden macrophages. While most...

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Formation of Atherosclerosis - Atherogenesis

2008-12-01T21:50:00.006+05:30

Extracellular Lipid Accumulation The first steps in atherogenesis in humans remain largely conjectural. However, integration of observations of tissues obtained from young humans with the results...

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AGING OF THE HEART

2008-10-26T17:02:00.000+05:30

The heart muscle becomes less efficient with age, and there is a decrease in both maximum cardiac output and heart rate, although resting levels may be more than adequate. The health of the...

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ARRHYTHMIAS or Irregular Heart Beats

2008-10-26T17:00:00.000+05:30

Arrhythmias (also called dysrhythmias) are irregular heartbeats caused by damage to part of the conduction pathway, or by an ectopic focus, which is a beat generated in part of the myocardium other...

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HEART MURMURS

2008-10-26T16:56:00.001+05:30

A heart murmur is an abnormal or extra heart sound caused by a malfunctioning heart valve. The function of heart valves is to prevent backflow of blood, and when a valve does not close properly,...

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CORONARY ARTERY DISEASE AND ATHEROSCLEROSIS

2008-10-26T10:41:00.004+05:30

Coronary artery disease results in decreased blood flow to the myocardium. If blood flow is diminished but not completely obstructed, the person may experience difficulty breathing and angina, which...

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Anatomy of the Heart - (Structures present in the Heart)

2008-10-26T10:21:00.006+05:30

The heart is a wonderful organ present in our body. It is made of muscles and beats to pump blood at about 70 times a minute. If a person lives to be 80 years old, his or her heart continues to beat...

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Psychological States: Depression and Anxiety

2008-10-21T14:35:00.004+05:30

In the 1970s, with the advent of coronary care units and continuous electrocardiographic monitoring, a psychological model was proposed that linked emotional responses to the time course of MI. This...

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Hostility / Anger and Coronary Heart Disease

2008-10-21T14:32:00.003+05:30

Based on the results from these early studies, the construct of hostility has been redefined to include behavioral, affective, and cognitive components. Expressive hostility refers to the expression...

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Personality factors linked to development and recovery from CHD

2008-10-21T14:26:00.005+05:30

Personality factors, including personality predispositions and psychological states and traits, have been linked to development and recovery from CHD. Personality predispositions are considered more...

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Job Strain and Coronary Heart Disease

2008-10-21T14:14:00.005+05:30

Several observational studies have attempted to associate chronic work stress with the precipitation of coronary events. Intriguing data show that MIs occur in circadian patterns. Daily peaks occur...

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Stress and Coronary Heart Disease

2008-10-21T14:11:00.002+05:30

As with cigarette smoking, the effects of exposure to severe stress cannot be ethically evaluated in experimental human studies. However, several observational studies provide evidence associating...

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Psychosocial factors Related to Coronary Hear Diseases

2008-10-21T14:04:00.002+05:30

These include Stress Job Strain Lack of Social Support Personality Factors - Hostility/Anger and Coronary Heart Disease Psychological States: Depression and Anxiety. The following posts also...

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Family history of Cardio Vasular Disease

2008-10-21T13:52:00.003+05:30

A family history of CHD puts women and men at increased risk for CHD, probably from a combination of genetic and environmental factors.1A history of MI in one first-degree relative doubles, and in...

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DEMOGRAPHIC CHARACTERISTICS AFFECTING RISK FOR HEART ATTACK

2008-10-21T13:44:00.002+05:30

Coronary heart disease mortality rates rise exponentially with age for men and women . Until the seventh decade of life, African-American men have the highest rates of CHD mortality, followed by...

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Overview of Risk Factors of Heart Attack

2008-10-21T13:25:00.008+05:30

Coronary heart disease (CHD) is usually associated with one or more characteristics known as risk factors. A risk factor is “an aspect of personal behavior or lifestyle, an environmental exposure or...

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Preventing Coronary Heart Disease

2008-10-21T12:53:00.004+05:30