…not excessive, or may cause substantial haemodynamic compromise. Symptoms and consequences may include: Palpitations and awareness of an irregular or rapid heartbeat Dyspnoea and worsening…

…Reduced exercise tolerance. Excessive fatigue. These non chest pain manifestations are reported more frequently in females, older adults and people with diabetes. Ischaemic heart disease…

…multiple and typically measure approximately 5–25 mm in diameter and 4–30 mm in depth. PAU is strongly associated with extensive atherosclerosis and frequently…

…Furthermore, sotalol may decrease the frequency of implantable cardioverter defibrillator (ICD) discharges and reduce the defibrillation threshold, though it typically does not slow ventricular tachycardia…

…procedural definitions, and institutional practice. Complications are more frequent during PCI than during purely diagnostic angiography. Elective PCI has reported mortality of 0.1–0…

…contraindication, an indication for oral anticoagulation, or an excessive risk of bleeding. The duration and intensity may be modified according to: bleeding risk; ischemic risk…

…extensive or diffuse epicardial disease, chronic total occlusion, incomplete revascularization, or coronary anatomy unsuitable for further intervention. In ANOCA/INOCA, coronary atherosclerosis, endothelial dysfunction, and…

…hypernatremia, hypomagnesemia, and hypermagnesemia are exceedingly rare precipitants of cardiac arrest. Sodium imbalance Neither hyponatremia nor hypernatremia typically cause discernible ECG changes. Hyponatremia Effective management…

…density there (and thus the lowest image resolution). TGC at the top of the image is usually kept at low levels. Frequency of ultrasound waves…

…one third of patients with inferior infarction. Extensive involvement is less common in patients with inferoposterior left ventricular infarction, while infarction confined predominantly to the…

…suggest a typical circuit. A diagnostic pitfall arises because typical circuits occurring in diseased atria—most frequently following surgery or extensive ablation, or under the…

…bifascicular block) is linked to extensive myocardial necrosis [4]. Clinical Implications and Prognosis Mechanical and Diagnostic Impact LBBB causes extensive reorganization of left ventricular activation…

…left main disease. The examination should nevertheless assess the consequences of extensive myocardial ischaemia, including heart failure, haemodynamic compromise and rhythm disturbance. The source material…

…e the frequency is reduced when studying distant objects). These concepts have been discussed in detail previously. The gain is regulated with TGC and gain…

Cardiology Pharmacology & dosing Definition and pathophysiology Congestion is a central expression of the heart failure syndrome and reflects excessive retention of sodium and water, with…

…disease characterized by excessive accumulation of adipose tissue. It is an important cause of cardiovascular disease (CVD), cardiovascular risk factor clustering, disability and premature mortality…

…Catapress TTS 3 (0.3 mg/24hrs) Dosage in renal failure and renal replacement therapy: Dose as in normal renal function Adverse effects Excessive sedation…

…occurred in 10–15% during the first year. The dominant mechanism was excessive intimal hyperplasia within the stent. Restenosis was more likely with: Small reference…

…disease Excessive alcohol consumption Diets high in carbohydrate or fat Glucocorticoids Beta blockers Oestrogen therapy Some antiretroviral therapies Post transplant medications, including corticosteroids, cyclosporine and…

…disease or excessive beta blocker or calcium channel blocker exposure. The incidence of cardiogenic shock complicating STEMI has fallen with prompt reperfusion and reduction of…

…feels breathless. Excessive oxygen delivery can raise pCO₂. The main mechanisms are impaired ventilation–perfusion matching, increased physiological dead space and the Haldane effect. It…

…2024, the diagnosis of DKA requires three components: diabetes or hyperglycaemia, ketosis and metabolic acidosis. A very high glucose value is no longer required [1]…

…with an amplitude 5 mm and an amplitude 10 mm in some chest lead (otherwise low voltage is present). High voltage (excessive amplitudes) is present…

…when the shock is delivered, and that the thromboembolic risk has been dealt with before the atria begin to contract again. An unsynchronised shock that…

…in patients with coronary disease. Excessive systolic reduction may be associated with falls, syncope, renal deterioration, functional decline, and cognitive impairment. Heart failure Heart failure…

…60 for HAS BLED, 0.55 for HEMORR₂HAGES, and 0.50 for ATRIA, indicating that HAS BLED had better discrimination ability (Apostolakis et al). Overall…

ECG Myocardial ischemia and infarction Pathological Q waves are evidence of myocardial infarction Myocardial infarction – particularly if extensive in size – typically manifests with pathological Q…

…The agent undergoes extensive hepatic metabolism, yielding desethylamiodarone as a major active metabolite. Both the parent drug and its metabolite accumulate extensively in various tissues…

…HF) symptoms may result from several overlapping processes: Recurrent or extensive MI with necrosis and scar formation Diffuse myocardial fibrosis Reversible ischemic dysfunction Chronic hypoperfusion…

…infarction (MI). It is particularly associated with extensive anterior or transmural infarction, apical dysfunction, LV aneurysm formation, and reduced LV systolic function. The principal mechanisms…

…or sudden cardiac death. The resulting extensive ischemia causes immediate myocardial stunning (akinesia) and electrical instability. Fewer than 1% of patients with ST elevation myocardial…

…after vascular surgery or endovascular intervention. Assessment of healing potential in ulcers and before deciding the level of amputation. Contraindications There are no absolute contraindications…

…wall. Glottic or subglottic obstruction — the mask sits above the obstruction and solves nothing. A mouth opening below about 2 cm. Extensive pharyngeal pathology: tumour…

…previous extensive abdominal surgery Ultrasound guidance; choose a new site if in doubt Cellulitis over the insertion site Change the puncture site Preparation and equipment…

…Instillation therapy and contrast studies of the urinary tract. Wound healing with a sacral pressure sore or extensive perineal wounds where urinary leakage prevents healing…

…particularly informative when it occurs before age 45 years. Homozygous familial hypercholesterolaemia HoFH typically presents with: Extensive cutaneous and tendon xanthomas. Markedly elevated LDL C…

…Ivabradine undergoes extensive first pass hepatic metabolism through CYP3A4. Dose adjustment is required in severe hepatic or renal impairment, and clinically relevant interactions occur with…

…artery bypass grafting (CABG), and is classified within the universal MI framework as follows: Type 4a MI: MI related to PCI. Type 4b MI: MI…

…and produces more extensive fibrinogen depletion. Successful fibrinolysis is generally accompanied by relief of ischaemic symptoms, at least 50% resolution of ST segment elevation, and…

…stress generally indicates previous infarction. Extensive ischaemia may produce a reduction in global LVEF and transient LV cavity dilatation during stress. Stress echocardiography can also…

…arrhythmia is precipitated by an extensive list of "torsadegenic" or "QT liability" drugs. This includes Class III antiarrhythmic agents such as quinidine, sotalol, and dofetilide…

…waves and intervals are normal. This chapter will focus on the ECG waves in terms of morphology (appearance), durations and intervals. A rather extensive discussion…

…extensive the ischemia/infarction. The location of the thrombus in the artery: a proximally located thrombus will cut off blood flow to more branches, and…

…1). Myocardial ischemia affecting the papillary muscles or the connected myocardium may cause mitral prolapse, and thus regurgitation. Ischemia manifests with myocardial akinesia or dyskinesia…

…radiolucent, tolerates moisture better, more expensive and stiffer to mould Elastic bandage Holds the slab in place; wound on without tension Tepid water, plastic gloves…

…then 100 mg × 1 5–7 days Epiglottitis and other severe upper airway infection cefotaxime 1–2 g × 3 IV Depends on the diagnosis Always…

…symptoms, findings from non invasive testing and the anticipated effect of the result on management. ICA with available coronary pressure assessment is recommended in patients…

…specific 99th percentile upper reference limit. It is classified as acute when serial measurements demonstrate a rise and/or fall. A stable elevation indicates chronic…

…non invasive evaluation is more appropriate? The presence of extensive comorbidity may alter the balance between procedural risk and benefit. An early invasive strategy is…

…is extensive, or if the stimulus threshold (discussed below) is high. When the battery is depleted, the entire system must be replaced. Pacemaker leads and…

…flow and thus more extensive myocardial ischemia (referred to as transmural ischemia). Yet, the pain caused by NSTEMI and unstable angina is considerable and most…