…is not mandatory for HFmrEF when the diagnosis of heart failure is clinically secure and the LVEF measurement is reliable. Nevertheless, these findings increase diagnostic…

…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…

…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…

…wave not clearly visible: look for retrograde (inverted) P waves, which can be located anywhere between the J point and the terminal part of the…

…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 …

…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…

…left ventricle will not be depolarized via the Purkinje network, but rather via spread of the depolarization from the right ventricle. The abnormal ventricular depolarization…

…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…

…1 ). If the T wave and the QRS complex head in opposite directions, the T wave is said to be discordant which is abnormal. Because…

…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…

…6. Which of the following ECG findings is generally considered a normal variant in asymptomatic athletes and typically does not require further evaluation, assuming no…

…and pathophysiology Myocardial infarction (MI) is a clinical diagnosis that integrates myocardial injury, evidence of acute myocardial ischaemia, electrocardiographic findings, cardiac biomarkers, imaging, angiography, and…

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

…pulmonary oedema, or evidence of coronary ischaemia. These findings determine the urgency and type of intervention. The assessment should also clarify: Whether AF is pre…

…is not clearly visible: look for retrograde (inverted) P waves, which can be located anywhere between the J point and the terminal part of the…

…systemic inflammation Insulin resistance Abnormal adipokine signalling Endothelial dysfunction Dyslipidaemia A prothrombotic state Albuminuria and declining estimated glomerular filtration rate Development of type 2 diabetes…

…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…

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

…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…

…size vena cava inferior < 2,1 cm and compressible in between 2,1 cm, almost not compressible Additional qualitative parameters Mild regurgiation Moderate regurgitation…

…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…

…normal and abnormal configurations and intervals A complete QRS complex consists of a Q , R and S wave. However, all three waves may not be…

…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…

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

…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…

…CCTA) and functional imaging have higher diagnostic performance. Its most consistent contemporary role is therefore the assessment of functional capacity, symptoms, haemodynamic responses, arrhythmias and…

…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…

…factors include pulmonary disorders, particularly obstructive pulmonary disease, the use of theophylline, and elevated catecholamine states. EAT typically has an abrupt onset, although a brief…

…source.gif). ECG changes caused by pericardial effusion and cardiac tamponade Small amounts of pericardial effusion may not cause any ECG changes. Significant pericardial effusion…

…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…

…Q waves and guidelines do not state any ECG criteria specific to R wave progression. Figure 1. Pathological R wave progression is indicative of previous…

…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…

…in adults: an update from the American Society of Echocardiography and the European Association of Cardiovascular Imaging. In European heart journal cardiovascular Imaging 16 (3)…

…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…

…adults with elevated blood pressure (BP), in whom absolute cardiovascular risk varies considerably according to age and the presence of concomitant risk factors. In contrast…

…than 5% of otherwise normal angiograms demonstrate bridging. The wide range reflects differences in ascertainment and imaging technique. Coronary fistulae represent abnormal communications between a…

…the diagnosis more likely. HFpEF and HFmrEF together account for approximately half of patients with symptomatic HF. The distinction is clinically useful but not absolute…

…Clinical Implications and Prognosis Mechanical and Diagnostic Impact LBBB causes extensive reorganization of left ventricular activation [2]. This leads to abnormal LV mechanical function [7…

…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…

…does not, by itself, establish that anticoagulation should be withheld when the thromboembolic risk is substantial. Clinical presentation and symptoms The clinical manifestations of AF…

…focuses on practical diagnostic and therapeutic considerations, with recommendations aligned with current guidelines from both the American Heart Association (AHA) and American College of Cardiology…

…levels do not have any effect on the ECG, nor cardiac rhythm, or impulse conduction. 2. Calcium Hypercalcemia Causes of hypercalcaemia Primary hyperparathyroidism and malignancies…

…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…

…rhythm. Recognizing these arrhythmias on the electrocardiogram (ECG) is of clinical importance. Diagnosis and management of ventricular tachycardia will be addressed in a separate chapter…

…arm still and lowered at each measurement, and not to talk. Otherwise ordinary activities, including work. No showering or bathing. A diary of going to…

…Normal Abnormal Abnormal A compensated simple disorder, or two opposing primary disorders It is therefore not enough to ask which of the pCO₂ and the…

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

…not delay treatment of a neurologically compromised patient. Continuous glucose monitoring reflects interstitial glucose and lags behind the blood glucose during rapid changes. Pressure on…

…size vena cava inferior < 2,1 cm and compressible in between 2,1 cm, almost not compressible Additional qualitative parameters Mild regurgiation Moderate regurgitation…

…A history of increasing frequency of hospitalizations and visits for heart failure without disease recognition in the 3 years preceding diagnosis is also a notable…

…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…

…of an acute MI remains a comprehensive clinical diagnosis based on patient symptoms, ECG changes, highly sensitive biochemical markers, and information gleaned from various imaging…

…and optical coherence tomography (OCT) can reveal lesions that are not apparent on conventional angiography. Coronary vasomotor disorders may involve epicardial spasm or abnormalities 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…