Doctor insights on:
Does Adrenaline Affect Heart Rate
Binding receptors: Do you mean how does it increase heart rate? The mechanism of action is quite complicated but in simple term, it binds to the beta adrenergic receptors on the heart leading to changes in calcium level and increases in the firing rate of the pacemaker cells. ...Read moreSee 1 more doctor answer
Variable: Some folks may have palpitations, arrhythmia s including atrial fibrillation, pvcs, and slow- bradycardias or complete heart block. With an acute event ventricular tachycardia.And/ or ventricular fibrillation may occur and cause death. Many persons with CAD do not have pulse symptoms. ...Read moreSee 1 more doctor answer
Yes: Cipralex or Lexapro (escitalopram) is associated with dose depended qt interval prolongation and should not be used in those with cong. Long qt syndrome or known pre-existing qt interval prolongation or in combination with other medicines that prolong qt interval.It can precipitate malignant arrhythmia and sudden death! ...Read more
Depends: If you do a lot of work or not. ...Read more
Epinephrine: Complex interaction. If you were to assume that vessels and heart were entirely independent, you might postulate that heart rate could slow down after vasoconstriction since there is less tubing to pump through. But the chemicals that mediate vasoconstriction also mediate heart rate and force of contraction so that they usually rise in parallel. ...Read more
Depends : High blood glucose can cause several problems depending on how high the levels are and how quickly they became high. Before the heart rate is affected your would have other metabolic problems including dehydration, dizziness and even coma. The heart rate may increase secondary to this. Your doctor should make the diagnosis of hyperglycemia and help you control it. ...Read moreSee 1 more doctor answer
Slow heart rate : Can be a sign of a healthy heart and good physical condition. But also can be due to medications to treat high blood pressure and possibly associated with uncontrol hypothyroidism ( low clinical thyroid hormone level ) and a heart electrical conduction problem. Low hr won't slow your metabolism. ...Read more
Heart rate increase, breathing rate increase, dizzy, tremor, normal thyroid hormone? happen during excitement or anxiety. why?
Many possibilities: Could you be pregnant? If not, Have you had a rapid growth spurt? Sometimes during periods of rapid growth the autonomic nervous system has trouble regulating and you may need to have more salt and water in your diet. Check for a 30 beat or more difference in hr from lying down to standing. ...Read more
Hyperthyroidism: Hyperthyroidism is a excess metabolic state. If other systems are normal it will usually cause increased heart rate and cardiac output. In the face of a weak heart, it could be associated with decrease in cardiac output. Chronic hyperthyroidism can be associated with a cardiomyopathy causing decreased heart function. ...Read moreSee 1 more doctor answer
No: Rhabdomyolosys is a muscle injury direct or indirect. It result in breakdown of muscle fibers and release of their contents into the bloodstream. In an untrained athlete, excessive exercise can cause extreme muscle strain or a heat stroke causing tachycardia as a cause of the process. Rhabdo will occur because of the muscle breakdown not the tachycardia. Hydration and training very important. ...Read more
Different arrythmias: They come from different chamber ( upper vs lower) . Changes in BP and cardiac output depend on cardiac function , heart rate and and timing. Atrial fibrilation may decrease cardiac output about 15%. In ventricular tachycardia, BP and co will decrease more if it is long enough to become unstable. ...Read more
- Talk to a doctor live online for free
- Does alcohol affect heart rate?
- Why does caffeine affect heart rate?
- Does music affect heart rate science project?
- Ask a doctor a question free online
- How does caffeine affect the results of the heart rate?
- How does running affect your heart rate?
- How does incline speed affect the heart rate?
- Does caffeine affect the heart rate of daphnia?
- Talk to a endocrinologist online for free