…which is standard in the US and many other countries, a 2:1 block will be difficult to discern because the flutter wave may fuse…

Arrhythmias and arrhythmology Emergency medicine Pharmacology & dosing Definition and Pathophysiology Bradycardia encompasses a spectrum of rhythm disturbances characterized by an inappropriately slow heart rate. Within…

…with long pauses. Bradycardia in poisoning with a beta blocker, a calcium channel blocker or digitalis, while awaiting the antidote and specific treatment. Bradyasystole during…

…have specific contraindications: Adenosine, Dipyridamole, Regadenoson : Should be avoided in patients with active bronchospasm, severe hypotension, or high degree AV block. Caffeine and other methylxanthines…

…despite optimal neurohormonal blockade and adequate volume control. It is also utilized for ventricular rate control in atrial fibrillation, particularly when other therapeutic options cannot…

…and subject preparations. We will also discuss the relevance of withholding specific cardioactive medications during exercise testing (exercise ECG). Indications for exercise stress test Indications…

…be considered abnormal. On the other hand, sinus bradycardia developing during physical exercise is considered abnormal, because heart rate must increase during exercise. Mechanisms of…

…coronary vasodilation, whereas binding to the A1, A2B, and A3 receptors is responsible for the side effects of heart block, wheezing, and peripheral vasodilation, respectively…

…electrolyte imbalances are clinically negligible (from an electrophysiological standpoint), whereas others may be life threatening. The most common and clinically most relevant electrolyte imbalances concern…

…used for type 1 myocardial infarction are fulfilled. The temporal relationship to stent implantation should always be specified. Coronary arterial thrombi are predominantly platelet rich…