…with individuals without atrial fibrillation. The increased risk of stroke is explained by formation of thrombi in the left atrial appendage . Such thrombi may leave…

…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…

…amyloidosis [8, 15]. AL Amyloidosis: This is a plasma cell dyscrasia in which abnormal plasma cells produce misfolded immunoglobulin light chains [8, 19]. Light chains…

…an in depth discussion on mechanisms are referred to Zipes et al . Main causes of cardiac arrhythmias Arrhythmias arise if the impulse formation is abnormal…

…the primary ECG finding is the ST segment depressions. In STE ACS, on the other hand, the ST segment depressions are secondary findings and the…

…vagal tone. In all other situations, sinus arrest/pause should be considered abnormal, and the following differential diagnoses are at hand: Sinus node dysfunction. Side…

…adult Abnormal relaxation (grade 1 dysfunction) Pseudonormal (grade 2 dysfunction) Reversible restrictive filling (grade 3 dysfunction) Irreversible restrictive filling (grade 4 dysfunction) E/A ratio…

…cm 1.5–2.1 2.2–2.5 2.6–2.9 3.0 RV SIZE AND FUNCTION (MEASURED IN A4C) RV diastolic area…

…size and volume Women Men Normal range Mildly abnormal Moderately abnormal Severely abnormal Normal range Mildly abnormal Moderately abnormal Severely abnormal ATRIAL DIMENSIONS LA diameter…

…with two dimensional and Doppler echocardiography. In Journal of the American Society of Echocardiography : official publication of the American Society of Echocardiography 16 (7), pp…

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…

…imbalance ECG Definition and Pathophysiology Acquired long QT syndrome (LQTS) is characterised by an abnormal prolongation of the QT interval on the surface electrocardiogram (ECG)…

…transient abnormal vasoconstriction of one or more coronary arteries. Epicardial spasm produces a reversible functional occlusion and usually causes transmural ischaemia. The resulting abnormalities in…

…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…

…angina, impaired exercise capacity, an abnormal blood pressure response or ventricular arrhythmias. A fall in systolic blood pressure, particularly when accompanied by evidence of ischaemia…

…an abnormal thrombogenic endocardial surface and blood stasis. During the acute infarction phase, endocardial inflammation and impaired regional contraction create conditions that favour thrombus formation…

…tissues, persisting from cardiac embryogenesis, are capable of exhibiting markedly increased automaticity, thereby serving as ectopic pacemaker foci. The term “ectopic” is often omitted in…

…of an abnormal amount of fluid in the pericardial space. It can be caused by numerous local and systemic disorders. Accumulation of fluid in the…

…cause abnormal ventricular activation (i.e. contraction). The significance of this will depend on the severity of the conduction defect and the affected ventricle. In…

…gradually from V1 to V5 and then diminishes again in V6. Refer to Figure 1 . Abnormal R wave progression implies that the gradual increase from…

…an ectopic focus in the ventricles will spread abnormally (because the impulse did not enter the ventricles through the bundle of His). Abnormal depolarization will…

…The regurgitation results in blood flowing back from the pulmonary artery into the right ventricle during diastole. The most common cause of abnormal pulmonary regurgitation…

…scores. Each incorporates various clinical parameters to stratify bleeding risk. HAS BLED: Incorporates factors such as hypertension, abnormal renal/liver function, stroke history, bleeding history…

…54 30–44 <30 2D, Two dimensional. Ejection fraction (EF) Normal Mildly abnormal Moderately abnormal Severely abnormal Ejection fraction (%), biplan, males 52 72 41 51…

…with two dimensional and Doppler echocardiography. In Journal of the American Society of Echocardiography : official publication of the American Society of Echocardiography 16 (7), pp…

…abnormal ventricular depolarization (e.g sinus tachycardia with simultaneous left bundle branch block). P wave and PR interval Checklist P wave is always positive in…

…either RV dysfunction or elevated biomarkers, or neither of these abnormalities in the presence of abnormal clinical risk assessment. Low risk PE is characterized by…

…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…

…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…

…The wide range reflects differences in ascertainment and imaging technique. Coronary fistulae represent abnormal communications between a coronary artery and a cardiac chamber or vessel…

…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…

…patients with reduced EF. Pathophysiology Abnormal ventricular relaxation and increased filling pressures The central hemodynamic abnormality in HFpEF is impaired diastolic function. The left ventricle…

…notching of the mid QRS in at least two left facing leads [7]. These stricter parameters correlate more closely with abnormal LV mechanical function and…

…bridging; myocardial metabolic abnormalities; and abnormal pain perception in patients without demonstrable ischaemia. The absence of obstructive disease therefore does not establish a benign diagnosis…

…to ECG interpretation 1. Which of the following ECG findings is typically considered a normal variant in asymptomatic athletes with no significant family history? A:…

…In untreated AF, stroke risk is increased approximately five fold, and AF is associated with roughly one in five strokes. Thrombus formation is most commonly…

…tachycardia (WCT) will be emphasized, as this distinction significantly informs both diagnostic reasoning and treatment decisions in clinical practice. Note that the terms tachycardia and…

…cardiac action potential may be altered by electrolyte imbalance, owing to changes in intra and extracellular electrolyte concentrations. Some electrolyte imbalances are clinically negligible (from…

…Thus, in this chapter, you will learn the physiological basis of all ECG waves and how to determine whether the ECG is normal or abnormal…

…and abnormal QRS complex on the ECG. The hallmark of right bundle branch block is QRS duration ≥0,12 seconds, large R' wave in V1…

…discover SB in healthy young individuals who are not well trained. This is also a normal finding. Abnormal (pathological) causes of sinus bradycardia In all…

…discordant which is abnormal. Because most ECG leads have net positive QRS complexes (during normal circumstances) the T wave is typically positive in all leads…

…usual mechanisms are responsible for all ventricular rhythms. Increased automaticity (in His Purkinje fibers), abnormal automaticity (in contractile myocardium), re entry (anywhere) or triggered activity…

…higher than daytime The highest risk in the group Extreme dipper 20 % Also unfavourable, particularly in the elderly An abnormal 24 hour rhythm should prompt…

Klinisk kemi & laboratoriemedicin Akutsjukvård Lathundar Basic principle Interpret the blood gas in the same order every time. Skipping a step is a common reason why…

…however, and an abnormal result is not specific to delirium. Symptoms are often worse in the evening and at night, but diurnal variation is not…

…but abnormal or unexpected values should be confirmed with a laboratory analysed plasma glucose when the situation allows. Glucose meters are less reliable in the…

…regurgitation Jet size < 5cm² 5 10 cm² 10 cm² size vena cava inferior < 2,1 cm and compressible in between 2,1 cm…

…metabolic syndrome, in which adiposity, insulin resistance, diabetes, hypertension, CKD and CVD reinforce one another. Dysfunctional adipose tissue contributes to inflammatory and metabolic abnormalities, while…

…Describes cardiac death in patients with symptoms suggestive of myocardial ischaemia and presumed new ischaemic ECG changes, occurring before cTn values become available or abnormal…

…concept Myocardial infarction with non obstructive coronary arteries (MINOCA) describes a clinical presentation in which the patient has symptoms suggestive of acute coronary syndrome (ACS)…

…myocardial infarction: presumed fatal myocardial infarction in which death occurs before biomarkers can be obtained or become abnormal, in the presence of symptoms suggestive of…

…physical fitness or individual health status. In particular, it cannot distinguish adipose tissue from lean mass. Waist circumference and the waist to hip ratio provide…

…response is age dependent and may rarely occur in healthy people older than 60 years. The abnormal slope does not itself distinguish precapillary from postcapillary…

…except in type 2 and type 3 MI. A diagnosis of MI should not be made solely from an abnormal cTn concentration in the absence…

…primary and secondary. Primary and secondary ST T changes Primary ST T changes are caused by abnormal repolarization . This is seen in ischemia, electrolyte disorders…

…abnormally large T waves is hyperkalemia, which results in high, pointed and asymmetric T waves. These must be differentiated from hyperacute T waves seen in…

…acute heart failure may occur in the context of acute myocardial ischaemia, though abnormal cardiac troponin (cTn) values in the setting of acute or chronic…

…systole. Transesophageal echocardiography and surgical pathology demonstrate that over 90% of thrombi in non valvular AF originate within this specific anatomical cul de sac [19] …

…the right in right ventricular hypertrophy, and to the left in left ventricular hypertrophy). ST T segment Significant hypertrophy may result in abnormal depolarization of…