Science

Theophylline

Theophylline

Theophylline Definition: Theophylline, also known as 1,3-dimethylxanthine, is used together with other medicines to treat the symptoms of asthma, bronchitis, emphysema, and other lung diseases. It belongs to a group of medicines known as bronchodilators. As a member of the xanthine family, it bea.....

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Bronchodilator

Bronchodilator

Bronchodilator Definition: Bronchodilator is a type of medication used to relax the air passages to help people breathe better. It is a substance that dilates the bronchi and bronchioles, decreasing resistance in the respiratory airway and increasing airflow to the lungs. They are most useful in .....

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Progressive Disease

Progressive Disease

Progressive Disease Definition: Progressive disease (or progressive illness) is a disease or health condition that gets worse over time, resulting in a general decline in health or function. This may happen until death, serious debility, or organ failure occurs. Some progressive diseases can be h.....

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Melatonin

Melatonin

Melatonin Definition: Melatonin is a hormone, that’s made by the pineal gland in the brain, it helps control our daily sleep-wake cycles. The most well known of its functions is the control of circadian (daily) rhythms. Typically, melatonin levels start to rise in the mid-to-late evening, after.....

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Chronic Obstructive Pulmonary Disease (Symptoms, Diagnosis, Treatment, and Prevention)

Chronic Obstructive Pulmonary Disease (Symptoms, Diagnosis, Treatment, and Prevention)

Chronic Obstructive Pulmonary Disease (Symptoms, Diagnosis, Treatment, and Prevention) Definition: Chronic obstructive pulmonary disease, commonly known as ‘COPD’, is an umbrella term used to describe progressive lung diseases including emphysema, chronic bronchitis, and refractory (n.....

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Chronic Obstructive Pulmonary Disease (Causes, Risk factors, and Complications)

Chronic Obstructive Pulmonary Disease (Causes, Risk factors, and Complications)

Chronic Obstructive Pulmonary Disease (Causes, Risk factors, and Complications) Definition: Chronic obstructive pulmonary disease, commonly known as COPD, is a chronic inflammatory lung disease that causes obstructed airflow from the lungs. This disease is characterized by increasing breathlessne.....

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Hypoxia

Hypoxia

Hypoxia Definition: Hypoxia, in medicine, is a condition in which the body or a region of the body is deprived of adequate oxygen supply at the tissue level. In its extreme form, where oxygen is entirely absent, the condition is called anoxia. It differs from hypoxemia, which means an inadequate .....

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Hemoptysis

Hemoptysis

Hemoptysis Definition: Hemoptysis (also known as hemoptysis or hemoptysis), is simply a medical term for coughing up blood. The blood can appear as flecks, streaks or can be quite massive in amount. This can occur with lung cancer, infections such as tuberculosis, bronchitis, or pneumonia, and ce.....

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Pulmonary Edema (Symptoms, Diagnosis, Treatment, and Prevention)

Pulmonary Edema (Symptoms, Diagnosis, Treatment, and Prevention)

Pulmonary Edema (Symptoms, Diagnosis, Treatment, and Prevention) Definition: Pulmonary Edema, also known as lung congestion, occurs when fluid accumulates in the air sacs of the lungs – the alveoli – making it difficult to breathe. This interferes with gas exchange and can cause respi.....

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Pulmonary Edema (Causes, Risk factors, and Complications)

Pulmonary Edema (Causes, Risk factors, and Complications)

Pulmonary Edema (Causes, Risk factors, and Complications) Definition: Pulmonary Edema, also known as lung congestion, lung water, and pulmonary congestion, is a condition caused by excess fluid in the lungs. It leads to impaired gas exchange and may cause respiratory failure. It is due to either .....

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Atrial septal defect (Symptoms, Diagnosis, and Treatment)

Atrial septal defect (Symptoms, Diagnosis, and Treatment)

Atrial septal defect (Symptoms, Diagnosis, and Treatment) Definition: Atrial septal defect (ASD) is a birth defect of the heart in which blood flows between the atria (upper chambers) of the heart. This defect allows oxygen-rich blood to leak into the oxygen-poor blood chambers in the heart. ASD .....

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Atrial Septal Defect (Types, Causes, and Risk factors)

Atrial Septal Defect (Types, Causes, and Risk factors)

Atrial Septal Defect (Types, Causes, and Risk factors) Definition: Atrial septal defect (ASD) is a birth defect of the heart in which there is a hole in the wall (septum) that divides the upper chambers (atria) of the heart. Some flow is a normal condition both pre-birth and immediately post-birt.....

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