â¢ There are several types of inhaled asthma medications and your allergist can prescribe the right one for you. â¢ Metered â dose inhalers, dry powder inhalers and nebulizers are all types of devices that are used to dispense inhaled medicines. Each is used in a different way.
Heart strain or failure is caused by a combination of poor lifestyle choices, immune problems, kidney problems, dopamine, norepinephrine and epinephrine problems, fluid overload in later stages and other manageable factors that are difficult to understand, but manageable.
In this context, there is a particular pattern that can be seen on the EKG that is referred to as strain.. There are many different possible causes of the strain pattern on the EKG. One of the possible causes is poor blood supply to the heart, and this is the cause that is most concerning in a person that is about to have elective surgery. Other causes of a strain pattern include high blood pressure, ventricular hypertrophy, valvular disease, or congestive heart failure. Certain lung diseases can also cause right heart strain on the EKG. Regarding the possibility of a heart attack, there are some heart attacks that can occur without causing any symptoms, called silent heart attacks.