…implies that a bacterial infection engages the heart valves and this is a serious condition. The focus of infection on the flap is called vegetation…

…departments — follow local protocol. Severe lung disease or a contralateral pneumothorax: avoid the subclavian and jugular routes on the healthy side, since a pneumothorax there…

…or in heart muscle. In other words, the heart today is anatomically the same as it was yesterday except that an electrical charge developed which…

…Opioids, benzodiazepines and other sedating drugs. Thromboembolic risk, for example immobilisation, cancer and previous venous thromboembolism. A documented decision on the ceiling of care. Signs…

…neurologically compromised patient. Continuous glucose monitoring reflects interstitial glucose and lags behind the blood glucose during rapid changes. Pressure on the sensor, for example during…

…of examination and that the examiner is experienced with the head impulse test; performed on the wrong patient or by an inexperienced examiner it is…

…a recent change in symptoms or signs, with or without electrocardiographic changes, and with or without acute elevations in cardiac troponin concentrations. Based on the…

…show a dynamic change, or chronic, when troponin elevation persists without such a change. Myocarditis, sepsis, takotsubo cardiomyopathy, valvular disease, arrhythmias, and heart failure are…

…skin overlying the puncture site. Previous pelvic irradiation on the intended side (yields fibrotic, unrepresentative marrow — choose the other side). A patient who cannot lie…

…organ damage. Isolated malignant retinopathy without other acute organ damage can often be treated more cautiously with oral drugs under careful observation [3,4]. A…

…to the broader spectrum of acute coronary syndromes, which may present with recent changes in symptoms or signs, with or without ECG abnormalities and with…

…will differ from the emitted sound waves. The change in frequency is referred to as the Doppler effect . The Doppler effect was first described in…

…also be superimposed on existing bundle branch blocks and alter their appearance. Some patients develop nonspecific intraventricular conduction defects without any change in their QRS…

Njurmedicin Lathundar Acute management on call Acute kidney injury, AKI, is a syndrome of rapidly deteriorating renal function. Management is governed not by the creatinine…

…neurological examination, hearing, cardiac examination, ECG, selective vascular imaging Traumatic or toxic syndrome Onset after trauma, a change in medication or an exposure Concussion, temporal…

…deviates most. What matters is which change can explain the pH, and whether the other variable lies within the expected range of compensation. Sample type…

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…

…risk [3]. Questions that rapidly change management Ask specifically about: Neurological symptoms: confusion, visual loss, focal neurological signs, seizures, severe or sudden headache. Chest pain…

…independent risk factor [2] . This change reflects robust evidence that female sex alone, in the absence of other comorbidities, does not significantly increase stroke risk…

…Doppler and measurement of the diameter. Cardiac output (CO) Cardiac output is the product of stroke volume (SV) and heart rate (HR). CO = HR ·…

…myocardial infarction. U wave changes New U waves (in absence of bradycardia) may indicate ischemia. If U waves were present on previous recording, the amplitude…

…atherosclerosis) At rest Oxygen supply is adequate and ischemia cannot occur. No changes on resting ECG. Increased myocardial workload (exercise) Oxygen supply increases in parallel…

…other therapies have failed. Patients with structural heart disease or reduced left ventricular function are not eligible. Effects of propafenone and flecainide on ECG, heart…

…myocarditis and perimyocarditis: ECG changes and clinical features The pericardium is a double walled sac in which the heart and the roots of the great…

…elevations that are not caused by ischemia and a significant proportion have ST T changes caused by other pathological conditions (such as bundle branch blocks)…

…cardiovascular death, and progression of atherosclerotic disease in patients with established coronary or other atherosclerotic vascular disease. Antiplatelet therapy is a central component because platelet…

…atrial flutter. As compared with several other supraventricular tachyarrhythmias, atrial flutter does not occur among otherwise healthy individuals. Atrial flutter causes characteristic ECG changes, as…

…multiple leads P pulmonale Figure 1. ECG changes seen in left ventricular hypertrophy (LVH) and right ventricular hypertrophy (RVH). The electrical vector of the left…

…in impaired left ventricular function and together with an intravenous beta blocker Digoxin In heart failure or hypotension, or as an add on Slow onset…

…symptoms and impaired quality of life, contribute to heart failure, and increase the risk of stroke and other thromboembolic events. Subclinical cerebral injury may contribute…

…treatment, or other interventions. Frailty commonly overlaps with multimorbidity and is frequent in patients with cardiovascular disease, including heart failure and ischaemic heart disease. Ageing…

…obesity is only one pathway through which diet affects cardiovascular health; dietary changes can improve cardiometabolic risk factors within 6–8 weeks even without weight…

…and disruption of the sarcolemma. These changes may appear within 10–15 minutes of ischaemia. Mitochondrial abnormalities can occur even earlier after coronary occlusion and…

…either symptoms or ECG changes consistent with myocardial infarction/ischemia. Most patients, however, display both ECG changes and symptoms. Troponins and other biomarkers of myocardial…

…and changes in the automaticity of the sinoatrial node. Rhythm Normal rhythm A rhythm is defined as three consecutive beats with identical waveforms on the…

…or in heart muscle. In other words, the heart today is anatomically the same as it was yesterday except that an electrical charge developed which…

…placed proximally on the thighs and arm electrodes are placed proximally on the upper arm. Placement of chest (precordial) electrodes are not changed but additional…

…depressions. In STE ACS, on the other hand, the ST segment depressions are secondary findings and the primary findings are the ST segment elevations. As…

…lead ECG Numerous conditions that can be diagnosed using the 12 lead ECG require that ECG changes occur in two or more anatomically contiguous leads…

…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…

…Adenosine is an endogenous nucleoside present throughout the body that interacts with G protein coupled A1 receptors located on the extracellular surface of cardiac cells…

…this reflects true biological protection. Potentially favourable associations with myocardial infarction may coexist with adverse effects on stroke, heart failure, cardiovascular mortality and atrial fibrillation…

…lipid metabolism and inflammatory signalling. ACLY additionally influences fatty acid synthesis and may affect epigenetic regulation through changes in DNA acetylation. Lipid lowering efficacy Bempedoic…

…or medication. Time of day and temporal pattern. Change in frequency, severity, or exercise threshold. Potential anginal equivalents include: Dyspnoea on exertion. Fatigue. Dizziness during…

…In cardiogenic shock, the principal precipitating mechanisms include ischaemia related heart failure, acute severe mitral regurgitation, and other mechanical complications. Shock occurs more often when…

…MINOCA accounts for approximately 1–14% of ACS presentations in different series and approximately 5–10% of patients presenting with myocardial infarction in other reports…

…and subsequently develop recurrent angina, recurrent ischaemic ECG changes, biomarker evidence of myocardial necrosis, or severe ischaemia on stress testing. Such developments may convert an…

…and stress related haemodynamic changes Diastolic function Pulmonary hypertension Coronary flow velocity reserve (CFVR) Pulmonary congestion detected by B lines on lung ultrasound Myocardial perfusion…

…to pathology. A negative T wave is also called an inverted T wave. T wave changes are notoriously misinterpreted, particularly inverted T waves. Below follows…

…are exceedingly rare precipitants of cardiac arrest. Sodium imbalance Neither hyponatremia nor hypernatremia typically cause discernible ECG changes. Hyponatremia Effective management of hyponatremia requires careful…

…Perfusion defects are further classified based on the intensity of tracer uptake and associated myocardial changes: Mild defects : Characterized by decreased tracer counts while preserving…

…induce cardiovascular stress in order to provoke symptoms, ECG changes, blood pressure response, and heart rate response, as well as assess limiting determinants of exercise…

…which usually prevents other ST T changes (such as those arising from ischemia) to come to expression on ECG. Therefore, ischemic ST T changes (ST…

…ischemia that only affects the subendocardium). STEMI, on the other hand, is caused by a complete coronary artery occlusion, which results in the complete stop…

…lead ECG does not display ST segment elevations during posterolateral transmural ischemia. On the other hand, leads V1–V3 (occasionally V4) may detect the injury…

…plane, the transducer changes orientation either toward or away from the orientation marker. Angle : The transducer is kept at the same location on the chest…

…the diagnosis can often be established by examining fewer leads. On the other hand, for the purpose of diagnosing morphological changes (e.g. myocardial ischemia…

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

…or other ECG changes (see below) should lead to a suspicion of ARVC. The gradual loss of myocardium leads to ventricular dilation and right heart…

…and assess early ischaemic changes CT angiography The standard investigation in acute stroke to identify large vessel occlusion, dissection or other vascular pathology CT perfusion…