…determine whether the ECG waves and intervals are normal. This chapter will focus on the ECG waves in terms of morphology (appearance), durations and intervals…

…in lead II. Common findings Sinus rhythm (which is the normal rhythm) has the following characteristics: (1) heart rate 50–100 beats per minute; (2…

…prognostic evaluation using two complementary domains: Indicators of acute PE severity , including clinical findings, RV dysfunction on imaging, and myocardial injury shown by laboratory testing…

…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…

…perfusion differences. Perfusion assessment The assessment of myocardial regions in myocardial perfusion imaging (MPI) is based on principles similar to those used in echocardiography. The…

…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…

…presents ECG findings during normal atrioventricular impulse transmission as well as ECG findings during pre excitation. Figure 1. Hallmarks of pre excitation on the ECG…

…A net positive QRS complex should be followed by a net positive T wave (refer to the previous discussion on concordance/discordance and Figure 1 )…

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

…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…

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

…evaluated. The findings were as follows: The absence of a pupillary reflex demonstrated a sensitivity of 72.2% for predicting an unfavorable neurological outcome, indicating…

…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…

…in lead II. Common findings Sinus rhythm (which is the normal rhythm) has the following characteristics: (1) heart rate 50–100 beats per minute; (2…

…High Obesity 35.0–39.9 II Very high Extreme obesity ≥40 III Extremely high BMI is useful for screening and population level risk estimation…

…absolute: patient phenotype, risk factors for heart failure with preserved ejection fraction, echocardiographic findings, and left atrial size must also be considered. Patients with mPAP…

…cause of abnormal pulmonary regurgitation is pulmonary hypertension. Table 1 presents the causes of pulmonary regurgitation. Mild pulmonary regurgitation is a normal echocardiographic finding that…

…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…

…for clinical practice. In European journal of echocardiography : the journal of the Working Group on Echocardiography of the European Society of Cardiology 10 (1), pp…

…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…

…native valve disease). In European journal of echocardiography : the journal of the Working Group on Echocardiography of the European Society of Cardiology 11 (3), 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)…

…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…

…and clinical role Exercise electrocardiographic testing is a standardized assessment in which a patient performs progressively increasing external work, usually on a treadmill, while symptoms…

…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…

…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…

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

…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…

…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…

…Components of the ATRIA Score The ATRIA score assigns points based on five clinical factors: Anemia: Hemoglobin <13 g/dL in men or <12 g…

…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…

…for clinical practice. In European journal of echocardiography : the journal of the Working Group on Echocardiography of the European Society of Cardiology 10 (1), pp…

…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…

…bridging is an anatomical variant in which a segment of an epicardial coronary artery passes through the myocardium rather than remaining on the epicardial surface…

…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…

…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…

…coronary flow reserve (CFR), reduce microcirculatory conductance, or cause abnormal vasoconstriction of coronary arterioles. Structural and functional mechanisms may coexist. The formal diagnostic construct for…

…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…

…need for a structured and guideline directed approach. This chapter focuses on practical diagnostic and therapeutic considerations, with recommendations aligned with current guidelines from both…

…changes. Specific electrolyte disorders 1. Sodium Increased (hypernatremia) and decreased (hyponatremia) sodium levels do not have any effect on the ECG, nor cardiac rhythm, or…

…slow propagation leads to a delayed and abnormal activation sequence of the right ventricle, resulting in a prolonged and abnormal QRS complex on the ECG…

…yielding a wide QRS complex). Because the ventricular depolarization is abnormal, the repolarization will also be abnormal (read aboutsecondary ST T changes on ECG). Hence…

…Extreme dipper 20 % Also unfavourable, particularly in the elderly An abnormal 24 hour rhythm should prompt investigation for sleep apnoea, renal disease and secondary hypertension…

…fully interchangeable with an arterial sample [3]. Venous pH is on average slightly lower than arterial pH. Agreement is usually good for pH and reasonable…

Akutsjukvård Psykiatri Lathundar Delirium in older adults: quick reference A quick reference for ward and on call physicians: recognise hypoactive delirium, stabilise the patient, work…

…is normalised [3]. A healthy person without diabetes therefore does not normally need investigation on the basis of an isolated, asymptomatic low sensor reading alone…

…for clinical practice. In European journal of echocardiography : the journal of the Working Group on Echocardiography of the European Society of Cardiology 10 (1), pp…

…a normal or low pulse pressure, an elevated jugular venous pressure with a paradoxical rise on inspiration (Kussmaul sign), and a difficult to palpate apex…

…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…

…the World Health Organization in the mid 20th century, relying primarily on electrocardiographic criteria for epidemiological purposes. With the advent of highly sensitive cardiac biomarkers…

…or dissection. Intravascular ultrasound (IVUS) and optical coherence tomography (OCT) can reveal lesions that are not apparent on conventional angiography. Coronary vasomotor disorders may involve…

…acute coronary atherothrombosis. Type 3 myocardial infarction: presumed fatal myocardial infarction in which death occurs before biomarkers can be obtained or become abnormal, in the…

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

…after infarction and after successful reperfusion (PCI). Post ischemic T wave inversion is caused by abnormal repolarization. These T wave inversions are symmetric with varying…