What are cardiac glycosides?
heart glycosides are a class of steroid drugs used to treat heart failure. These drugs can have both positive and negative effects on heart, kidneys, stomach, intestines and nervous system. Drugs containing heart glycosides work directly on heart tissues. The bitter taste is typical for both naturally occurring and refined forms of this steroid on prescription. Overdose may have serious consequences, including hallucinations, allergic reactions and irregular heart rhythm. Group R in Sugar Sugar determines the type. Cardiac glycosides are divided into two main types: buffadienolides and cardenolides. Cardenolides have unsaturated butyrolactone ring, while buffadienolides have an A-country ring. Of these two, the cardenolides are the most prolific. The positive inotropic effect concerns the way in which the drug increases the strength of the heart. By increasing the strength of the heart pumping can pump more blood through the body to the heart rhythm. Drugs of deslanoside, digitoxin and digoxin regulations contain cardiac glycosides and areAvailable only from the pharmacy. These drugs can be used in the treatment of congestive heart failure, heart arrhythmia and atrial and flutter fibrillation.
plants containing heart glycosides include Christmas roses, highly toxic fox and lily of the valley. Such plants were used as poisons and hearts of heart from at least 1,500 ° C and their extracts are still used in some treatments. Traditional use includes arrows and heart tonic. These plants have also been used as emetics that can cause vomiting, and as diuretics that increase the volume of the urine with the body.
heart glycosides can be poisonous if they are taken in large quantities. Attention should be paid to calculating the dose, as the right therapeutic dose is often the amount close to the toxic threshold. When handling plants that contain naturally occurring forms of these drugs, a specialOwn caution. Fathom or consumption of parts of fox or oleander plants can lead to fox poisoning or oleander poisoning. These terms can also refer to overdose medicines containing extracts from both plants. Risks are generally the largest in children and older people.
symptoms of overdose with heart glycoside differ. Those who have been seen only in chronic cases include hallucination, depression, loss of appetite and vision Halo around objects. Such halos usually occur in yellow, green or white. Other possible symptoms for chronic and non -ron cases include allergic reactions, blurred vision, disorientation, fainting and heads. Other symptoms may include irregular heart rhythm, lethargy, stomach pain, vomiting and weakness. If an overdose is suspected, the person should usually contact the emergency services immediately and do not cause vomiting if he / she is instructed by the poison control or a doctor.