…complementary domains: Indicators of acute PE severity , including clinical findings, RV dysfunction on imaging, and myocardial injury shown by laboratory testing. Comorbidity and aggravating conditions …

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

…retrograde (inverted) P waves, which can be located anywhere between the J point and the terminal part of the T wave. PR interval 0,22…

…flow commensurate with the body’s requirements or can do so only at the cost of elevated filling pressures. Congestion and elevated filling pressures produce…

…facilitates precise reporting and ensures consistent communication of findings across clinicians. Perfusion defects are categorized by their size, encompassing: Small defects : <10% of the left…

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

…changes. This is due to the fact that pre excitation leads to abnormal depolarization of the ventricles and this leads to abnormal repolarization as well…

…wave amplitude is on average 3 mm in V2–V3 in females and it rarely exceeds 8 mm. Note that the amplitude of the T…

…effect on impulse conduction because digoxin slows impulse conduction. It is important to note that the association between ECG changes and the risk of arrhythmia…

…the sinoatrial node) is a common finding in athletes and during sleep; in these scenarios, it should not be considered abnormal. On the other hand…

…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…

…MI) is a clinical diagnosis that integrates myocardial injury, evidence of acute myocardial ischaemia, electrocardiographic findings, cardiac biomarkers, imaging, angiography, and, occasionally, pathological examination. Pathologically…

…a fundamental neurological examination finding that reflects brainstem (midbrain) function. In the context of cardiac arrest and the post resuscitation period, assessment of the PLR…

…Evaluation and physical examination Initial assessment should establish whether AF is associated with acute haemodynamic compromise, pulmonary oedema, or evidence of coronary ischaemia. These findings…

…retrograde (inverted) P waves, which can be located anywhere between the J point and the terminal part of the T wave. PR interval 0,22…

…HF), atrial fibrillation and cardiovascular events. In clinical practice, obesity is conventionally defined by a body mass index (BMI) of ≥30 kg/m2. Severe obesity…

…studies of pulmonary arterial hypertension (PAH). The threshold is not absolute: patient phenotype, risk factors for heart failure with preserved ejection fraction, echocardiographic findings, and…

…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…

…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…

…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…

…Pulmonary valve morphology normal normal/abnormal abnormal Density CW Doppler weak, slow deceleration variable dense, steep deceleration, early termination of diastolic flow Jet width colour…

…for atrial size and volume Women Men Normal range Mildly abnormal Moderately abnormal Severely abnormal Normal range Mildly abnormal Moderately abnormal Severely abnormal ATRIAL DIMENSIONS…

…assessment of valvular regurgitation. Part 1: aortic and pulmonary regurgitation (native valve disease). In European journal of echocardiography : the journal of the Working Group on…

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

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

…myocardial ischaemia caused by transient abnormal vasoconstriction of one or more coronary arteries. Epicardial spasm produces a reversible functional occlusion and usually causes transmural ischaemia…

…ventricular rate (beta blockers being the mainstay of this therapy). Rate control does not affect the rhythm per se . Rhythm control, on the other hand…

…The tests that reflect the synthetic function of the liver are the prothrombin time (INR) , the albumin and the bilirubin — and they become abnormal late…

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

…presentation depends on the vascular territory involved and may include systemic arterial embolic manifestations. The source material does not provide a detailed catalogue of specific…

…Management of all other cases aligns with the approach used for atrial fibrillation and atrial flutter. Beta blockers, digoxin, and calcium channel blockers may be…

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

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

…typical of ischemia (but the sensitivity is low). U wave changes always accompany other ischemic ST T changes. They may occur in both NSTEMI and…

…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…

…Lane DA, Lip GYH. Evaluation of the HAS BLED, ATRIA, and ORBIT bleeding risk scores in atrial fibrillation patients on warfarin. Am J Med . 2016…

…2015): Recommendations for cardiac chamber quantification by echocardiography in adults: an update from the American Society of Echocardiography and the European Association of Cardiovascular Imaging…

…Gonzalo; Baumgartner, Helmut et al. (2012): Guidelines on the management of valvular heart disease (version 2012). In European heart journal 33 (19), pp. 2451–2496…

…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…

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

…morbidity and mortality, despite often having a greater burden of cardiovascular and non cardiovascular comorbidity than patients with reduced EF. Pathophysiology Abnormal ventricular relaxation and…

…leads [7]. These stricter parameters correlate more closely with abnormal LV mechanical function and the potential benefit of resynchronization pacemaker therapy [7]. R Wave Peak…

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

…abnormal renal or liver function, prior stroke, bleeding tendency or previous bleeding, labile international normalized ratio (INR), older age, drugs predisposing to bleeding and alcohol…

…depolarizes the ventricles) passes through the bundle of His, and hence it originates in the atria. In other words: tachycardias with narrow QRS complexes originate…

…hypernatremia) and decreased (hyponatremia) sodium levels do not have any effect on the ECG, nor cardiac rhythm, or impulse conduction. 2. Calcium Hypercalcemia Causes of…

…a delayed and abnormal activation sequence of the right ventricle, resulting in a prolonged and abnormal QRS complex on the ECG. The hallmark of right…

…Causes of ventricular rhythm and idioventricular rhythm The usual mechanisms are responsible for all ventricular rhythms. Increased automaticity (in His Purkinje fibers), abnormal automaticity (in…

…Contraindications None. Practical obstacles are skin disease or allergy to the electrode gel, and marked body hair that cannot be shaved. Set up 1. Shave…

…assessment of pH and the metabolic component, but it should not be regarded as fully interchangeable with an arterial sample [3]. Venous pH is on…

…patient to recite the months of the year backwards. A normal result does not exclude delirium, however, and an abnormal result is not specific to…

…physical activity and any other precipitating factor. Thresholds The thresholds below are used above all in diabetes. The severity of the symptoms and the patient…

…Pulmonary valve morphology normal normal/abnormal abnormal Density CW Doppler weak, slow deceleration variable dense, steep deceleration, early termination of diastolic flow Jet width colour…

…Physical examination may reveal a normal or low pulse pressure, an elevated jugular venous pressure with a paradoxical rise on inspiration (Kussmaul sign), and a…

…m² Abnormal urinalysis or renal imaging Risk of progression rises with proteinuria and depends on cause 2 60 mL/min/1.73 m² Abnormal urinalysis…

…coupled with clinical evidence of acute myocardial ischaemia. The Fourth Universal Definition classifies MI into five distinct subtypes based on pathophysiology and clinical context: Type…

…in other reports. It is more frequent in women and in patients presenting with NSTEMI than in those presenting with STEMI. Approximately one third of…

…or become abnormal, in the presence of symptoms suggestive of ischaemia and presumed new ischaemic ECG changes. The distinction between myocardial injury and type 2…

…Elsevier 2010 ). At the time of J 60 and J 80, there is minimal chance that there are any electrical potential differences in the myocardium…

…T waves are seen after periods of ischemia, after infarction and after successful reperfusion (PCI). Post ischemic T wave inversion is caused by abnormal repolarization…