…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…

…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…

…the constriction of the pupils in response to light – is a fundamental neurological examination finding that reflects brainstem (midbrain) function. In the context of cardiac…

…in NSTE ACS are frequently accompanied by T wave inversions (or flat T waves), but the primary ECG finding is the ST segment depressions. In…

…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…

…differentiate between normal and abnormal patterns. Reverse redistribution (RR) Reverse redistribution (RR) in SPECT myocardial perfusion imaging is an unusual phenomenon in which a perfusion…

…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…

…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…

…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…

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

…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…

…The most classical ECG finding is generalized ST segment depressions with curved ST segment (generalized implies that the depressions may occur in most ECG leads…

…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…

…cm 1.5–2.1 2.2–2.5 2.6–2.9 3.0 RV SIZE AND FUNCTION (MEASURED IN A4C) RV diastolic area…

…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…

…with two dimensional and Doppler echocardiography. In Journal of the American Society of Echocardiography : official publication of the American Society of Echocardiography 16 (7), 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)…

…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…

…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…

…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…

…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…

…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…

…gradually from V1 to V5 and then diminishes again in V6. Refer to Figure 1 . Abnormal R wave progression implies that the gradual increase from…

…an ectopic focus in the ventricles will spread abnormally (because the impulse did not enter the ventricles through the bundle of His). Abnormal depolarization will…

…scores. Each incorporates various clinical parameters to stratify bleeding risk. HAS BLED: Incorporates factors such as hypertension, abnormal renal/liver function, stroke history, bleeding history…

…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…

…with two dimensional and Doppler echocardiography. In Journal of the American Society of Echocardiography : official publication of the American Society of Echocardiography 16 (7), 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…

…The wide range reflects differences in ascertainment and imaging technique. Coronary fistulae represent abnormal communications between a coronary artery and a cardiac chamber or vessel…

…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…

…notching of the mid QRS in at least two left facing leads [7]. These stricter parameters correlate more closely with abnormal LV mechanical function and…

…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…

…tachycardia (WCT) will be emphasized, as this distinction significantly informs both diagnostic reasoning and treatment decisions in clinical practice. Note that the terms tachycardia and…

…cardiac action potential may be altered by electrolyte imbalance, owing to changes in intra and extracellular electrolyte concentrations. Some electrolyte imbalances are clinically negligible (from…

…and abnormal QRS complex on the ECG. The hallmark of right bundle branch block is QRS duration ≥0,12 seconds, large R' wave in V1…

…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…

…regurgitation Jet size < 5cm² 5 10 cm² 10 cm² size vena cava inferior < 2,1 cm and compressible in between 2,1 cm…

…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…

…75 mL/min/1.73 m², the probability of coronary artery disease (CAD) increases in an approximately linear manner. At an eGFR of 15 mL…

…Describes cardiac death in patients with symptoms suggestive of myocardial ischaemia and presumed new ischaemic ECG changes, occurring before cTn values become available or abnormal…

…concept Myocardial infarction with non obstructive coronary arteries (MINOCA) describes a clinical presentation in which the patient has symptoms suggestive of acute coronary syndrome (ACS)…

…myocardial infarction: presumed fatal myocardial infarction in which death occurs before biomarkers can be obtained or become abnormal, in the presence of symptoms suggestive of…

…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…

…abnormally large T waves is hyperkalemia, which results in high, pointed and asymmetric T waves. These must be differentiated from hyperacute T waves seen in…