…TTE and, accordingly, 50% will be missed). The sensitivity and specificity of echocardiography depend on several factors, such as image quality, vegetation localization, echogenicity and…

…very difficult. Future efforts may be more successful by focusing on near term prediction using smart devices and emerging technologies ( Marijon et al ). The stochastic…

…incompatible infusions. Haemodialysis, plasmapheresis or other extracorporeal therapy (requires a large bore dialysis catheter, not an ordinary triple lumen catheter). Measurement of central venous pressure…

…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…

…alcohol, a missed meal, physical activity and any other precipitating factor. Thresholds The thresholds below are used above all in diabetes. The severity of the…

…cured on the spot, in three minutes, without drugs . The diagnosis rests on the history, a positive Dix–Hallpike test and the absence of other…

…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…

…presentations caused by suspected acute myocardial ischaemia. It includes patients with recent changes in symptoms or clinical signs, with or without diagnostic electrocardiographic abnormalities and…

…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…

…Ménière's disease, TIA and arrhythmia, among others. Acute severe balance disturbance without nystagmus: HINTS does not apply. Assess gait and truncal stability and investigate…

…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…

…not be dismissed as caused merely by pain or anxiety. These factors can affect the pressure, but emergency department studies show that raised values often…

…explicitly removing female sex as an independent risk factor [2] . This change reflects robust evidence that female sex alone, in the absence of other comorbidities…

…function. EAT = v max /time Fractional shortening (FS) Fractional shortening (FS) is calculated by measuring the change (% reduction) in left ventricular diameter during systole…

…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…

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

…pain and ST elevation on ECG explains why clinicians often confuse acute pericarditis and STEMI. This is further complicated by the fact that acute myocarditis…

…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…

…the following: A systolic blood pressure < 90 mmHg caused by the arrhythmia. Ongoing myocardial ischaemia with chest pain and ECG changes. Acute pulmonary oedema…

…in patients who remain in sinus rhythm. Several mechanisms may account for apparent ischaemic electrocardiographic changes during rapid AF. ST segment depression or T wave…

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

…which diet affects cardiovascular health; dietary changes can improve cardiometabolic risk factors within 6–8 weeks even without weight loss. Cardiovascular Outcomes Associated With Dietary…

…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…

…coronary care unit (CCU), regular wards and rehabilitation facilities. Depending on the cause of the arrest, other units may be critical (e.g. trauma unit)…

…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…

…duration , sex , and genetically influenced effects on the cardiovascular system. Acute exposure produces transient haemodynamic and myocardial effects, whereas sustained heavy consumption is associated with…

…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…

…Relieving factors, including rest or medication. Time of day and temporal pattern. Change in frequency, severity, or exercise threshold. Potential anginal equivalents include: Dyspnoea on…

…recurrent symptoms, myocardial infarction, or other major adverse cardiovascular events. Complete revascularization is therefore considered an important therapeutic objective, particularly in patients with left ventricular…

…with atherosclerotic mediated myocardial infarction. A history of cigarette smoking may be present despite relatively few other conventional atherosclerotic risk factors. A substantial proportion present…

…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…

…prognostic information which can only be obtained during physical exercise. Independent of other traditional risk factors, exercise capacity is one of the single best predictors…

…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…

…T wave inversions in V1–V4, or other ECG changes (see below) should lead to a suspicion of ARVC. The gradual loss of myocardium leads…

…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…