What is junction bradycardia?
Junice bradycardia defines a slow heart rate caused by a failure of electrical pulses in the right upper chamber of the heart. The time -node in this chamber serves as the main pacemaker to maintain an adult resting heart rate between 60 and 100 rhythms per minute. When electrical pulses skip from junction bradycardia, it takes the atrioventicular (AV) knot in the lower chamber as a replacement pacemaker, thus maintaining a heart rate between 40 and 60 rhythms per minute. Also called the third degree blockade, junction bradycardia prevents the passage of electrical pulses to the chambers that control normal contractions that pump blood into the lungs and other organs.
Some patients show no symptoms of junction bradycardia until heart rate drops below 50 rhythms per minute, limiting the amount of oxygen -rich blood sent to the brain and other organs. Athletes and people who regularly practice. Cardiologists usually perform several tests to determine whether KřižovAtka Bradycardia is a risk of heart failure.
The symptoms of the condition include chest pain and fatigue. When insufficient oxygen reaches the brain, some patients become dizziness, they can faint and suffer confusion and loss of memory. D shortness during exercise is another symptom of junction bradycardia, to which could occur with or without chest pain.
sinoarterial or atrioventricular nodes could be degraded as man ages, leading to the crossroads of Bradycardia. High blood pressure and high cholesterol can also contribute to disruption of the heart electrical system. Too much iron in the blood or electrolyte or mineral imbalance could also cause disorder along with thyroid disorders. Some patients suffering from sleep apnea, a condition where breathing stops several times every night will also develop a slow heart rate.
excessive usesAlcohol and smoking increases the risk of disturbing electrical signals in the heart. Some medicines and illegal drugs may also affect electrical impulses. Stress may also pose a risk of blocking in AV node that interrupts normal functioning.
condition usually includes a pacemaker to maintain normal heart rate. The electrodes in the cardiac associated with the heart create impulses to maintain the heart rate stable when these signals are blocked. Some forms of bradycardia could be treated with medicines that accelerate the heart. If the underlying condition is suspected, the doctor usually treats this problem.