…V6. Refer to Figure 1 . Abnormal R wave progression implies that the gradual increase from V1 to V5 is absent. It may be broken, as…

…formerly termed Prinzmetal or variant angina, is myocardial ischaemia caused by transient abnormal vasoconstriction of one or more coronary arteries. Epicardial spasm produces a reversible…

…risk factors, ECG diagnosis and management Atrial fibrillation is the most common abnormal tachyarrhythmia (only sinus tachycardia is more common). The prevalence of atrial fibrillation…

…the liver are the prothrombin time (INR) , the albumin and the bilirubin — and they become abnormal late. A cirrhotic liver can have entirely normal transaminases…

…Moderate or severe chronic kidney disease (CKD) Hypertension mediated organ damage (HMOD) Probable or definite familial hypercholesterolaemia Other markedly abnormal single risk factors or genetic…

…8% Interpretation of ATRIA risk score. Comparison with other bleeding risk models Several bleeding risk assessment tools exist for patients with AF, including HAS BLED…

…PE) is classified according to haemodynamic status, clinical severity, evidence of right ventricular (RV) dysfunction, and myocardial injury. This classification is central to determining the…

…inversion can occur without coronary artery disease. Proposed explanations in the source material include cardiac memory after abnormal ventricular activation, transient rate related conduction abnormalities…

…Coronary fistulae represent abnormal communications between a coronary artery and a cardiac chamber or vessel. Other congenital anomalies include anomalous origin of a coronary artery…

…of the sinoatrial (SA) node. This enhanced atrial activity is most commonly attributable to abnormal automaticity or re entry mechanisms; triggered activity is a less…

…during ventricular contraction and relaxation. Pericardial effusion is the presence of an abnormal amount of fluid in the pericardial space. It can be caused by…

…discussion. A premature ventricular complex is recognized on the ECG as an abnormal and wide QRS complex occurring earlier than expected in the cardiac cycle…

…This is also a normal finding. Abnormal (pathological) causes of sinus bradycardia In all other situations, sinus bradycardia should be regarded as a pathological finding…

…alcohol, a missed meal, physical activity and any other precipitating factor. Thresholds The thresholds below are used above all in diabetes. The severity of the…

…m² Abnormal urinalysis or renal imaging Mild progression risk, increased by proteinuria 3a 45–60 mL/min/1.73 m² Cardiovascular disease or other organ…

…MINOCA accounts for approximately 1–14% of ACS presentations in different series and approximately 5–10% of patients presenting with myocardial infarction in other reports…

…sarcolemma. These changes may appear within 10–15 minutes of ischaemia. Mitochondrial abnormalities can occur even earlier after coronary occlusion and progress over time. Experimentally…

…8%. This implies that approximately one third of the patients who ultimately had a favorable neurological recovery exhibited an abnormal pupillary reflex upon initial examination…

…clarity, however, tachyarrhythmia is defined as an abnormal and rapid heart rate, whereas tachycardia is defined as the subjective perception of a rapid heart rate…

…ECG changes and symptoms. Troponins and other biomarkers of myocardial necrosis (infarction) Myocardium can endure 20 to 30 minutes of complete ischemia. After this period…

…in these scenarios, it should not be considered abnormal. On the other hand, sinus bradycardia developing during physical exercise is considered abnormal, because heart rate…

…intense emotional stress, acute pain or other stimuli that increases vagal tone. In all other situations, sinus arrest/pause should be considered abnormal, and the…

…right bundle branch block (RBBB) and pre excitation (WPW syndrome) may all cause ST segment depressions. These are all common conditions in which an abnormal…

…rhythms. Increased automaticity (in His Purkinje fibers), abnormal automaticity (in contractile myocardium), re entry (anywhere) or triggered activity (anywhere) may all cause ventricular arrhythmias. Indeed…

…is which change can explain the pH, and whether the other variable lies within the expected range of compensation. Sample type and baseline values An…

…patient is drowsy, difficult to rouse, hypervigilant, or has reduced orientation to the surroundings Other cognitive disturbance Disorientation, memory impairment, disorganised thinking, language disturbance or…

…depression). As mentioned above there are numerous other conditions that affect the ST T segment and it is fundamental to be able to differentiate these…

…and asymmetric T waves. These must be differentiated from hyperacute T waves seen in the very early phase of myocardial ischemia. Hyperacute T waves are…

…and chronic myocardial injury. Myocardial injury is characterised by myocyte necrosis and troponin elevation due to mechanisms other than myocardial ischaemia. Acute myocardial injury may…

…risk factor [2] . This change reflects robust evidence that female sex alone, in the absence of other comorbidities, does not significantly increase stroke risk. Conversely…

…Mild defects : Characterized by decreased tracer counts while preserving normal wall thickness, often indicative of early or mild ischemia. Moderate defects : Associated with wall thinning…

…as in LBBB, the left ventricle receives the depolarizing impulse from the right ventricle (where the pacemaker delivers the pulses). The depolarizing wave spreads outside…

…favorable prognosis, as compared with other forms of ventricular tachycardia. Mechanisms of ventricular tachycardia Ventricular tachycardia (VT) may emerge due to increased/abnormal automaticity, re…

…of the type of oral anticoagulant used. Studies have shown that it performs similarly or superiorly to other bleeding risk assessment tools, such as HEMORR2HAGES…

ECG Introduction to ECG interpretation The QRS complex (ventricular complex): normal and abnormal configurations and intervals A complete QRS complex consists of a Q , R…

…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…

…Evidence such as increased left atrial size, left ventricular hypertrophy or abnormal LV filling supports the diagnosis Unlike HFpEF, objective evidence of structural or functional…

…risk must be considered alongside thromboembolic risk. The HAS BLED score includes hypertension, abnormal renal or liver function, prior stroke, bleeding tendency or previous bleeding…

…Akutsjukvård Lathundar Key messages Two things set the COPD exacerbation apart from many other causes of acute dyspnoea: oxygen must be titrated cautiously and the…

…administration, warnings, precautions, and other relevant information for the drug Ticagrelor . Table 1 Summary Indications Ticagrelor, in combination with acetylsalicylic acid (ASA), is indicated for…

…Familial and genetic screening in cardiovascular medicine is the systematic assessment of relatives and other individuals who may carry an inherited predisposition to cardiovascular disease…

…C) is the principal therapeutic target in lipid management because LDL and other apolipoprotein B containing lipoproteins play a causal role in atherosclerotic cardiovascular disease…

…and infarction Myocardial ischemia: cellular changes, ECG signs and development of infarction Like all other cells in the human body, cardiac myocytes use ATP (adenosine…

…dangerous differential diagnoses [1,2]. STEMI and other ECG patterns suggesting acute coronary occlusion are time dependent conditions. The decision on immediate reperfusion is based…

…drugs . The diagnosis rests on the history, a positive Dix–Hallpike test and the absence of other neurological findings. The treatment is a repositioning manoeuvre…

…Interactions Pharmacodynamic interactions Anticoagulants, thrombolytics, or other platelet aggregation inhibitors: Salicylates inhibit platelet function and enhance the effect of anticoagulants, increasing bleeding risk. Monitor coagulation…

…cardiovascular death, and progression of atherosclerotic disease in patients with established coronary or other atherosclerotic vascular disease. Antiplatelet therapy is a central component because platelet…

…containing lipoproteins, including: LDL Intermediate density lipoprotein (IDL) Lipoprotein(a) [Lp(a)] Very low density lipoprotein (VLDL) Chylomicrons and other triglyceride rich particles Thus, non…

…only one pathway of platelet activation, its antiplatelet effect is relatively limited compared with agents that inhibit other platelet pathways. The distinction between primary and…

…peripheral artery disease (PAD), and other manifestations of systemic atherosclerosis. The principal clinical concern is cerebral embolism or haemodynamic compromise leading to transient ischaemic attack…

…faintness, and other symptoms may occur without chest pain and should be considered anginal equivalents. The emergency evaluation of non traumatic chest discomfort is structured…

…Study, which demonstrated that high blood pressure and high cholesterol levels, among other risk factors, were strongly associated with coronary artery disease and myocardial infarction…

…syndrome (ACS), DAPT is used to reduce recurrent myocardial infarction, stent thrombosis and other ischemic events after coronary angiography, percutaneous coronary intervention (PCI), or medical…

…acute HMOD, although other guidance emphasizes that no single BP threshold is diagnostically sufficient: the presence of ongoing acute organ injury is decisive. The pathophysiology…

…left ventricular dysfunction, peripheral vascular disease and other manifestations of diffuse atherosclerosis. Percutaneous coronary intervention (PCI) and coronary artery bypass grafting (CABG) are revascularization procedures…

…or arteries supplying the limbs. In adults over 40 years of age, atherosclerosis is the predominant cause. Other mechanisms include thrombosis, embolism, vasculitis, fibromuscular dysplasia…

…with avoidance of second hand smoke and, where possible, other inhaled nicotine products. In cardiovascular medicine, the objective is not merely to reduce cigarette consumption…

…most cardiac conditions may be associated with atrial flutter. As compared with several other supraventricular tachyarrhythmias, atrial flutter does not occur among otherwise healthy individuals…

…or other examinations suggest left ventricular hypertrophy (LVH), one should suspect concomitant right ventricular hypertrophy (RVH) if the following ECG criteria are presented: Right axis…

…s leads etc). Note that in some situations it is appropriate to connect additional electrodes in order to detect right ventricular infarction (leads V3R, V4R…