…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…

…or abnormal LV filling supports the diagnosis Unlike HFpEF, objective evidence of structural or functional cardiac abnormality or raised natriuretic peptides is not mandatory for…

…is based on principles similar to those used in echocardiography. The 17 segment model of the left ventricle serves as a standardized framework for identifying…

…Characteristics of ischemic ST segment depressions on ECG. Current guideline criteria for ischemic ST segment depression: New horizontal or downsloping ST segment depressions ≥0,5…

…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…

…should not be considered abnormal. For example, sinus bradycardia (a slow rhythm directed by the sinoatrial node) is a common finding in athletes and during…

…considered abnormal or profound findings that may require further investigation. 2. What heart rate range is ideally recommended for measuring the QT interval corrected for…

…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…

…critically ill patient, AF may be pre existing, newly detected for the first time, or newly developed during management of an acute illness. The clinical…

…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…

…The threshold is not absolute: patient phenotype, risk factors for heart failure with preserved ejection fraction, echocardiographic findings, and left atrial size must also be…

…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…

…valve stenosis: EAE/ASE recommendations for clinical practice. In European journal of echocardiography : the journal of the Working Group on Echocardiography of the European Society…

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

…valve stenosis: EAE/ASE recommendations for clinical practice. In European journal of echocardiography : the journal of the Working Group on Echocardiography of the European Society…

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…

…be excluded. Diagnostics Echocardiography TTE is the principal initial imaging method for detecting LV thrombus and assessing the substrate on which it develops. The thrombus…

…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…

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

…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…

…Society for Echocardiography (J Am Soc Echocardiogr 18:1440 1463, 2005). Left ventricular mass and geometry Women Men Reference Mildy abnormal Moderately abnormal Severely abnormal…

…valve stenosis: EAE/ASE recommendations for clinical practice. In European journal of echocardiography : the journal of the Working Group on Echocardiography of the European Society…

…Probable or definite familial hypercholesterolaemia Other markedly abnormal single risk factors or genetic, rare lipid, or BP disorders Pregnancy Established ASCVD includes previous acute coronary…

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

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

…Diagnostic Criteria The diagnostic requirements for LBBB vary by the stringency of the criteria applied: Classic Criteria : These include a QRS duration of $\ge…

…or cause abnormal vasoconstriction of coronary arterioles. Structural and functional mechanisms may coexist. The formal diagnostic construct for MVA incorporates four components: Symptoms suggestive of…

Arrhythmias and arrhythmology Pharmacology & dosing Definition and pathophysiology Atrial fibrillation (AF) is a major independent risk factor for thromboembolism, including ischaemic stroke. This risk applies…

…morbidity or mortality, underscoring the need for a structured and guideline directed approach. This chapter focuses on practical diagnostic and therapeutic considerations, with recommendations aligned…

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

…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…

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

…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…

…if the pCO₂ is too low Normal Abnormal Abnormal A compensated simple disorder, or two opposing primary disorders It is therefore not enough to ask…

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…

…reflects interstitial glucose and lags behind the blood glucose during rapid changes. Pressure on the sensor, for example during sleep, can give falsely low values…

…valve stenosis: EAE/ASE recommendations for clinical practice. In European journal of echocardiography : the journal of the Working Group on Echocardiography of the European Society…

…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…

…remains a comprehensive clinical diagnosis based on patient symptoms, ECG changes, highly sensitive biochemical markers, and information gleaned from various imaging techniques. For types 1…

…tomography (OCT) can reveal lesions that are not apparent on conventional angiography. Coronary vasomotor disorders may involve epicardial spasm or abnormalities of the coronary microcirculation…

…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…

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

…that the ischemia is ongoing). Then one might wonder why T wave inversions are included as criteria for myocardial infarction. This is explained by the…