Mydriasis is the dilation or widening of the pupil. This reduces the total iris area, increases intraocular pressure, and decreases aqueous humor leakage. During the Renaissance, pupil dilation was even fashionable and looked attractive at the time, which is why people dripped various substances into their eyes for cosmetic reasons, such as the juice of … Mydriasis: Function, Tasks, Role & Diseases
Definition The papilla is an area on the retina of the eye. This is where all the nerve fibers of the retina converge and leave the eyeball as a bundled nerve cord in order to be able to transmit the sensory impressions of the eye to the brain. Anatomy The papilla is a circular area … Papilla
Papilloedema Papilledema, also called congestion pupil, is a pathological bulge of the optic nerve head, which is normally slightly convex. Unlike optic disc excavation, pressure from behind on the optic nerve is increased, causing it to bulge forward. The causes of papilledema can be very diverse. In addition to the optic nerve, numerous arteries and … Papilloedema | Papilla
Tonometry is a diagnostic measurement procedure in ophthalmology (eye care). Special equipment is used to determine the intraocular pressure. An increase in this value may indicate the presence of glaucoma, or glaucoma. What is tonometry? Tonometry is a diagnostic measurement procedure in ophthalmology (eye care). Intraocular pressure is considered an important diagnostic feature of glaucoma … Tonometry: Treatment, Effect & Risks
Duration of action There are several beta-blockers on the market, which differ in the length of their effect. In pharmacy, we speak of the half-life, it describes the period of time during which half of the drug has been broken down in our body and is therefore a measure of the duration of action. The … Duration of action | Effect of beta blockers
Introduction Beta blockers are used for various heart diseases and high blood pressure. In addition to their effect on the heart and vessels, they can also influence other body functions or organs. The prescription of a beta blocker must therefore be carried out by a doctor who knows the correct dosage and the mechanism of … Effect of beta blockers
Introduction Beta-blockers are a group of drugs that are mainly used to treat arterial hypertension (high blood pressure) or cardiac arrhythmia. It takes advantage of the fact that receptors, which are located in the heart muscle, are blocked by a beta-blocker and thus adrenaline cannot be applied to them. Adrenaline is a substance that raises … Beta-blockers and sport – how does that go together?
Load test If patients suffer from high blood pressure or cardiac arrhythmia, they should also have a stress ECG if a beta-blocker is used, if it is planned to take up sports activities. Usually on a bicycle the patient has to pedal until a certain load is reached. At the same time, the heart currents … Load test | Beta-blockers and sport – how does that go together?
Beta blockers as doping agents in sport Of course, the desired, or even the undesired, effects of beta-blockers can be used as a method of doping, even in sports. Especially in sports that require great accuracy and full concentration, beta blockers clearly have a performance-enhancing effect. By taking beta-blockers, tension and nervousness before competitions can … Beta blockers as doping agents in sport | Beta-blockers and sport – how does that go together?
Introduction Another recent application of the beta-blocker is migraine. In this case, beta-blockers are initially not used for the direct acute treatment of migraine, but for prevention. Especially for patients who suffer from strong and regular migraine attacks that recur at regular intervals, a preventive treatment with beta-blockers should be considered. When beta-blockers are used … Beta blocker against migraine
Dosage of beta blockers for migraine The necessary dosage of beta blockers for the prevention of migraine attacks depends mainly on which beta blocker is used. In general, a comparatively high dosage is necessary to achieve the desired effect. At the beginning of treatment, however, a gradual increase in dosage is necessary to prevent side … Dosage of beta blockers for migraine | Beta blocker against migraine
What do I have to consider when weaning? Beta-blockers must always be removed, i.e. slowly reduced, when weaning. The time required for this varies and depends mainly on the original dose. Often the doctor will gradually reduce the dose over about two weeks. This cautious phasing out is very important, as otherwise the risk of … What do I have to consider when weaning? | Beta blocker against migraine
