Doctor insights on:
How Does Anxiety Affect The Breathing Rate
Anxiety is a general term for several disorders that cause nervousness, fear, apprehension, and worrying. These disorders affect how we feel and behave, and they can manifest real physical symptoms. Mild anxiety is vague and unsettling, while severe anxiety can be extremely debilitating, having a serious ...Read more
Describe how caffeine can affect your stress level. How does it affect your cardiorespiratory system?
Nicotine: Nicotine can cause increased heart rate and constriction of blood vessels, which can cause high blood pressure or even low blood flow through the coronary arteries of the heart. Lower oxygen levels in the blood due to smoking can increase heart rate as well ... Smoking can cause atherosclerosis, which can block the coronary arteries to the heart. ...Read moreSee 1 more doctor answer
Prednisolone: It's an steroid use by veterinarian to treat conditions like arthritis and allergies. It's an anti inflammatory agent. The effects depends on the condition of the dog and the dosage. Not commonly affect the heart but consult your veterinarian. Don't know if we have any vet at health tap. Hope my answer help you. ...Read more
Increased: Rem sleep is actually associated with surges in heart rate and an increase "sympathetic tone." physiologically, rem sleep is stressful with an increase in cerebral blood flow as well. Non-rem sleep is characterized by slowing heart rate and decreased cerebral blood flow. You dream in most all stages of sleep but rem dreams are more vivid and we usually remember them. ...Read moreSee 2 more doctor answers
Temp and enzyme:
Great wikipedia question. Heat makes molecules move faster and can get in and out of enzyme active site faster.
Or read you textbook. ...Read more
Very serious: In Total Anomalous Pulmonary Venous Return, the oxygenated blood coming from the lungs, instead of going to the systemic circulation, returns to the pulmonary circulation and goes in a circle back to the lungs. The only blood that goes to the rest of the body goes through a communication between the atria. This is a problem that must be fixed with surgery. ...Read more
Several ways: Stress causes hormonal and chemo-transmitters changes which over extended periods cause a multitude of problems to your bodies glands and organs. The mind and body are intimately related. Heart , kidney, pancreas, and many more problems, including malignancies, can result from long term stress. ...Read more
Exercise: In order to facilitate the increase in oxygen demand of the muscles during exercise, the heart rate and volume of blood per beat will go up. Cardiac output is the product of heart rate times stroke volume. Therefore cardiac output will increase with exercise. ...Read moreSee 1 more doctor answer
Several ways: In very severe prolonged asthma: if you become hypoxic (low oxygen) and acidotic (build up of carbon dioxide), your heart may go out of rhythm (fibrillate) and stop. Over many years of copd, the damaged lungs cause elevated pressure in the pulmonary artery causing the right ventricle to thicken (cor pulmonale), enlarge, and fail. ...Read more
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