…when the sinus rate is extremely low—such as less than 40 to 50 beats per minute in the first 4 to 6 hours after…

…Cardiac troponin levels are extremely low in healthy subjects; the 99 th percentile is less than a few nanograms per liter of blood (typically <5…

…with a worse prognosis than termination due to chest pain. Leg fatigue Leg fatigue is particularly pronounced on bicycle, and less pronounced on the treadmill…

…mass. Waist circumference and the waist to hip ratio provide additional information about visceral adiposity and may correlate more closely with outcomes than BMI, particularly…

…low flow time, patient preferences, patient background, and the decision to initiate CPR is often ambiguous. Since the risk of attempting CPR is extremely low…

…should not be used. Specific dosing adjustments are required in certain patient populations: Pediatric patients: For patients weighing less than 50 kg, the dosing should…

…The World Health Organization defines BMI categories as follows: Underweight : Less than 18.5 Normal weight : 18.5 to 24.9 Overweight : 25 to 29…

…mm) to 100 ms. Intervals and durations QTc — decision thresholds At a QTc above 500 ms: stop QT prolonging drugs, correct the potassium to 4…

…Amyloidosis Demographic and Clinical Context Cardiac amyloidosis should be suspected in patients older than 65 years presenting with heart failure and increased left ventricular (LV…

…For patients with bundle branch blocks, the corresponding figure is 500 ms. The QT interval represents the time between the onset of ventricular depolarization and…

…HbA1c) reduction, blood pressure, lipids and smoking cessation. Weight loss was considered extremely difficult across patient categories. However, the emergence of incretin based therapies, starting…

…within about 1 hour (a liquid preparation) or 2 hours (tablets). With very large quantities of an extremely toxic preparation, lavage can be discussed later…

…there are additional factors that deserve mention. Collateral circulation: connected coronary arteries Coronary collateral circulation may be extremely important. Collateral circulation develops in ischemic myocardium…

…First of all, don't confuse various lipids, since they are extremely different with regards to their effects and hazards. For example, high HDL cholesterol…

…where it is stated that it is extremely uncommon to have a non ischemic ECG (absence of ST T changes) during chest pain caused by…

…myocardial infarction. Cardiac troponin T and troponin I have emerged as the preferred biomarkers because they are extremely sensitive and specific for myocardial injury. Elevated…

…be fatal. Approximately 500 Swedes are affected annually by endocarditis and the median age of 70 years at the onset of the disease. Approximately 12…

…on the other hand, are much less likely to be caused by ischemia ( Figure 1 B ). This is noted in both North American and European…

…30 kilograms of ATP per day (Neubauer et al), which is about 100 times its weight. This is possible because mitochondria occupy nearly 30% of…

…research has been devoted to it in recent years. Most cases (70%) of takotsubo cardiomyopathy occur in situations with extreme stress, such as car accidents…

…or other vascular beds. Malignant hypertension represents an extreme form in which acute microvascular injury occurs, classically involving fibrinoid necrosis of small arteries in the…

…complex in lead I but negative in lead II. Extreme axis deviation (–90°to 180°) : Net negative QRS complex in leads I and II. Figure 2…

…I but negative in lead II. Extreme axis deviation (–90°to 180°): Net negative QRS complex in leads I and II. Heart axis deviation: right axis…

…dipper ≤ 0 %, night time pressure higher than daytime The highest risk in the group Extreme dipper 20 % Also unfavourable, particularly in the elderly An abnormal…

…bradyarrhythmia Increased myocardial oxygen demand Sustained tachyarrhythmia, severe hypertension, hypertensive crisis, critical aortic stenosis, severe hypertrophic cardiomyopathy, extreme exercise Direct myocardial injury Myocarditis, cardiac co

…More distal disease may cause foot symptoms, although lower extremity symptoms are much more common than upper extremity symptoms. The severity of symptoms should be…