…2nd AV block, prolonged QT interval, and profound sinus bradycardia are typically considered abnormal or profound findings that may require further investigation. 2. What heart…

…and thromboembolism may affect organs other than the brain. Patients with AF in the setting of ACS have more comorbidities and a higher risk of…

…of the Pupillary Reflex in Cardiac Arrest The pupillary light reflex is controlled by a simple neural circuit: light signals travel from the retina via…

…the Purkinje network, but rather via spread of the depolarization from the right ventricle. The abnormal ventricular depolarization will cause an abnormal repolarization. For this…

…precede every QRS complex and the P wave should be positive in lead II. Common findings Sinus rhythm (which is the normal rhythm) has the…

…reader firm knowledge of normal findings , normal variants (i.e less common variants of what is considered normal) and pathological variants . Thus, in this chapter…

…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…

…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…

…and age, to identify deviations from normal values. This enhances the ability to detect subtle perfusion defects and differentiate between normal and abnormal patterns. Reverse…

…than in HFpEF. The clinical population is heterogeneous because the HFmrEF range includes both patients with recovering systolic function and those with deterioration from a…

…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…

…precede every QRS complex and the P wave should be positive in lead II. Common findings Sinus rhythm (which is the normal rhythm) has the…

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

…ECG findings during pre excitation. Figure 1. Hallmarks of pre excitation on the ECG. Secondary ST T changes during pre excitation As mentioned in Chapter…

…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…

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

…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…

…considered abnormal. For example, sinus bradycardia (a slow rhythm directed by the sinoatrial node) is a common finding in athletes and during sleep; in these…

…it may also provoke abnormal automaticity in cells that normally do not exhibit automaticity. The effect on automaticity should be distinguished from the effect on…

…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…

…A Report from the American Society of Echocardiography Developed in Collaboration with the Society for Cardiovascular Magnetic Resonance. In Journal of the American Society of…

…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…

…A Report from the American Society of Echocardiography Developed in Collaboration with the Society for Cardiovascular Magnetic Resonance. In Journal of the American Society of…

…of the action potential occur from one contractile cell to another, starting in the endocardium and heading towards the epicardium. As evident from Figure 7 …

…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…

…circulation which causes thromboembolic occlusions of arteries in the brain, limbs or other organs. However, the increased risk in mortality is not completely explained by…

…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…

…and reduced LV systolic function. The principal mechanisms are the combination of an abnormal thrombogenic endocardial surface and blood stasis. During the acute infarction phase…

…commonly attributable to abnormal automaticity or re entry mechanisms; triggered activity is a less frequent cause. The atrial rate typically ranges from 120 to 250…

…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…

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

…as an abnormal and wide QRS complex occurring earlier than expected in the cardiac cycle. It is caused by an impulse discharged from an ectopic…

…B, Lane DA, Lip GYH. Comparison of bleeding risk scores in patients with atrial fibrillation: insights from the AFFIRM trial. J Intern Med . 2018;283…

…quantification: a report from the American Society of Echocardiography's Guidelines and Standards Committee and the Chamber Quantification Writing Group, developed in conjunction with the…

…A Report from the American Society of Echocardiography Developed in Collaboration with the Society for Cardiovascular Magnetic Resonance. In Journal of the American Society of…

…Moderate ≥2% to <10% High ≥10% to <20% Very high ≥20% The risk categories are distinct from the treatment threshold used in the BP guidelines…

…coronary artery from the pulmonary artery can result in reduced coronary oxygen content, coronary steal, and myocardial ischaemia. Coronary fistulae create an abnormal connection between…

…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…

…are typically upright in leads with predominantly negative QRS complexes (such as V1 and V2) [7]. Etiology and Mechanisms LBBB may result from lesser degrees…

…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…

…atrial appendage, although competing mechanisms such as large artery atherosclerosis and small vessel disease may also contribute to stroke in patients with AF. Stroke risk…

…WCTs originate from impulses generated in the ventricles (ventricular tachycardia being the most common arrhythmia). Any impulses generated in the ventricles will result in wide…

…hyperventilation), rhabdomyolysis, septicemia (sepsis), osteolytic cancer metastases, abnormal calcium absorption (gastrointestinal) and resorption (from primary urine), renal failure, small bowel syndrome, parathyroid gland surgery, use…

…branch (RBBB). In the presence of right bundle branch block, depolarization of the right ventricle relies on electrical impulses originating from the left ventricle. However…

…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…

…A Report from the American Society of Echocardiography Developed in Collaboration with the Society for Cardiovascular Magnetic Resonance. In Journal of the American Society of…

…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…

…mg/g—or both. The eGFR is generally estimated from serum creatinine using the Chronic Kidney Disease Epidemiology Collaboration (CKD EPI) equation, incorporating relevant demographic…

…myocardial injury alone is an entity in itself and may arise from non ischaemic cardiac conditions (such as myocarditis) or non cardiac conditions (such as…

…or abnormal arteriolar vasoconstriction. More than one mechanism may coexist. Supply–demand mismatch MINOCA may result from a mismatch between myocardial oxygen supply and demand…

…abnormality in an ischaemic distribution Identification of a coronary thrombus by angiography or autopsy, where applicable to the relevant infarction category Myocardial infarction results from…

…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…

…abnormal. A common cause of abnormally large T waves is hyperkalemia, which results in high, pointed and asymmetric T waves. These must be differentiated from…