are pvcs something to worry about?
41
PVCs become more of a concern if they happen frequently. “If more than 10% to 15% of a person's heartbeats in 24 hours are PVCs, that's excessive,” Bentz said. The more PVCs occur, the more they can potentially cause a condition called cardiomyopathy (a weakened heart muscle).
332213
Regular PVC (polyvinyl chloride) is a common, strong and lightweight plastic. ... If no plasticizers are added, it is known as uPVC or Rigid PVC (Food Safe PVC). uPVC or Rigid PVC does not contain any phthalates or BPA and is safe, stable and perfect for outdoor gardens and decor.
1346295
PVC is not considered a safe BPA replacement, meaning BPA-free cans aren't necessarily safe. If you're concerned about the chemicals in the linings of canned foods, opt for fresh, frozen, or home-canned foods, or look for products canned in glass jars instead of the metal cans with questionable linings.
936165
PVC is a known carcinogen and should generally be avoided where possible. This material is seen to be a less toxic version of vinyl due to the fact that it is non-chlorinated (contains no chloride). So products manufactured from PEVA is considered to be a healthier alternative to PVC products.
137589
PVCs rarely cause problems unless they occur again and again over a long period of time. In such cases they can lead to a PVC-induced cardiomyopathy, or a weakening of the heart muscle from too many PVCs. Most often, this can go away once the PVCs are treated.
1455939
Toys > PVC IS DANGEROUS! IT RELEASES A CHEMICAL! As many hedgehog owners do, I used to have a pvc pipe in my hedgie cage.
1463426
The real differences between the two materials can be felt rather than seen. PVC is a type of plastic incorporating vinyl groups. This makes it lighter than rubber and more affordable, but it comes with some stiffness in comparison to rubber too. It can be sharp and harsh at the edges, causing discomfort against skin.
1291008
Polyethylene vinyl acetate (PEVA) plastic has recently become a popular alternative to PVC since it is chlorine-free. ... For the first time, our results have shown that PEVA plastic has adverse effects on living organisms, and therefore it is not a safe alternative to PVC.
587054
Regular PVC (polyvinyl chloride) is a common, strong and lightweight plastic. It is made softer and more flexible (for products like baby soothers, medical bags) by the addition of plasticizers. ... uPVC or Rigid PVC does not contain any phthalates or BPA and is safe, stable and perfect for outdoor gardens and decor.
980296
PVC: Polyvinyl chloride (PVC) by itself is generally not dangerous to dogs, but manufacturers often use toxic chemical additives to make the PVC more soft and flexible.
136951
PVC and CPVC pipe are both designed to withstand damage from virtually all corrosive chemicals and gases. ... Some people with new piping report water having a "slightly plastic taste," but this taste is not harmful and usually disappears quickly. Using PVC materials for potable / drinking water is not a health risk!
683083
Those early heartbeats are known as premature ventricular contractions (PVCs) if they emerge from your heart's lower chambers, or the ventricles. They're called premature atrial contractions (PACs) if they originate in your heart's upper chambers, known as the atria.
416169
PAC is a condition resulting from premature electrical activation originating in the upper chambers (atrium) of the heart, while PVC originates in one of the two lower chambers (ventricles). Both conditions result in a premature contraction. PAC and PVC occur in many healthy people and rarely cause symptoms.
1427909
The P wave following the PVC is the sinus P wave, but the PR interval is too short for it to have caused the next QRS. (Remember, the PR interval following an interpolated PVC is usually longer than normal, not shorter!).
9145
Ventricular and supraventricular arrhythmias are linked with complications of MVP (1,7). MVP patients have a prevalence of ventricular arrhythmias as high as 34% with premature ventricular contractions (PVCs) as the most common pattern (66% of cases) (10).
147099
PVCs have the following features: Discordant ST segment and T wave changes. Usually followed by a full compensatory pause. Retrograde capture of the atria may or may not occur.
778788
Fragility - The chlorination process makes CPVC a harder material than PVC, but it can also make it brittle. Pipes and fittings have been known to crack or break if the material is dropped.