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…

…Definition and pathophysiology Obesity is a chronic, relapsing and biologically complex disease characterized by excessive accumulation of adipose tissue. It is an important cause of…

…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…

…mechanism was excessive intimal hyperplasia within the stent. Restenosis was more likely with: Small reference vessel diameter A small post procedural lumen Substantial residual stenosis…

…Recognised causes include: Diabetes and insulin resistance Thyroid disease Kidney disease Excessive alcohol consumption Diets high in carbohydrate or fat Glucocorticoids Beta blockers Oestrogen therapy…

…PR interval, while leaving the QRS duration largely unchanged. Continuous ECG monitoring is mandated during hospital initiation to detect excessive QT prolongation, proarrhythmia, and severe…

…rupture with tamponade, and less common causes such as severe pre existing valvular disease or excessive beta blocker or calcium channel blocker exposure. The incidence…

…must not be given uncontrolled simply because the patient feels breathless. Excessive oxygen delivery can raise pCO₂. The main mechanisms are impaired ventilation–perfusion matching…

…The condition occurs above all in: treatment with SGLT2 inhibitors pregnancy prolonged fasting or a very low carbohydrate intake excessive alcohol consumption vomiting or othe

…present). High voltage (excessive amplitudes) is present if the S wave in V1 or V2 + the R wave in V5 is 35 mm. Q waves…

…Contraindications Atrial fibrillation or flutter of unknown or excessive duration without adequate anticoagulation or exclusion of thrombus — the most important relative contraindication to elective cardioversion…

…presentation is heterogeneous. AF may be well tolerated, particularly when the ventricular response is not excessive, or may cause substantial haemodynamic compromise. Symptoms and consequences…

…pressures. Excessive reduction in diastolic blood pressure may compromise coronary perfusion, particularly in patients with coronary disease. Excessive systolic reduction may be associated with falls…

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

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

…each object appears whiter on the image. Increasing gain excessively results in lower resolution and difficulties discerning tissue borders. These are the main adjustments made…

…CYP2C9 variants) (1 point) E xcessive fall risk (1 point) S troke (1 point) HEMORR₂HAGES Score Risk category Incidence of major bleeding (per 100 patient…

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

…oral dose, plasma concentrations peak within 3 to 6 hours. The agent undergoes extensive hepatic metabolism, yielding desethylamiodarone as a major active metabolite. Both the…

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

…endocardium, typically overlying an akinetic or dyskinetic myocardial segment after myocardial infarction (MI). It is particularly associated with extensive anterior or transmural infarction, apical dysfunction…

…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…

…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…

…has recently been operated on, is in a cast or has extensive wounds so that the cuff cannot be applied. Place the cuff over a…

…subglottic obstruction — the mask sits above the obstruction and solves nothing. A mouth opening below about 2 cm. Extensive pharyngeal pathology: tumour, abscess, marked swelling…

…before puncture Pregnancy, previous extensive abdominal surgery Ultrasound guidance; choose a new site if in doubt Cellulitis over the insertion site Change the puncture site…

…Indications Acute urinary retention. Chronic urinary retention with renal impairment or a large residual volume. A need for accurate measurement of urine output in a…

…males and approximately 10 years later in females. Untreated HoFH is associated with extensive premature and progressive ASCVD; CAD and aortic stenosis may occur before…

…have a rate reducing effect in selected circumstances. Ivabradine undergoes extensive first pass hepatic metabolism through CYP3A4. Dose adjustment is required in severe hepatic or…

…rapid deterioration when a large myocardial territory is jeopardized. Cardiovascular collapse after failed PCI is more likely with extensive myocardium at risk, severe baseline stenosis…

…CAD. The pathophysiology of refractory angina is heterogeneous. In obstructive CAD, symptoms may result from extensive or diffuse epicardial disease, chronic total occlusion, incomplete revascularization…

…agents act preferentially when fibrin is present, whereas streptokinase is not fibrin specific and produces more extensive fibrinogen depletion. Successful fibrinolysis is generally accompanied by…

…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…

…and subsequent sudden death are rare, the arrhythmia is precipitated by an extensive list of "torsadegenic" or "QT liability" drugs. This includes Class III antiarrhythmic…

…previously known as central pontine myelinolysis. Excessively rapid correction of sodium can result in catastrophic demyelination of pontine neurons. Acute Hyponatremia (<48 hours duration): Rapid…

…durations and intervals. A rather extensive discussion is provided in order to give the reader firm knowledge of normal findings , normal variants (i.e less…

…are as follows: The size of the thrombus (i.e the degree of artery obstruction): The greater the obstruction the more extensive the ischemia/infarction…

…connected myocardium may also result in mitral prolapse. Extensive myocardial infarction may lead to papillary muscle rupture. The risk of rupture is greater for the…

…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…

…weight 90 kg) 10 days or benzylpenicillin 1–3 g × 3 IV Extensive furunculosis flucloxacillin 1 g × 3 10 days Wound infection flucloxacillin 1 g…

…30 mm in depth. PAU is strongly associated with extensive atherosclerosis and frequently occurs in older patients with multiple vascular comorbidities. An isolated PAU is…

…well recognized pattern can be significantly altered when atrial activation is modified by cardiac surgery involving atrial tissue, extensive prior radiofrequency ablation, advanced atrial disease…

…stroke; emergency coronary angiography or PCI; cardiogenic shock; ST segment elevation myocardial infarction; extensive vascular calcification; female sex; low body mass index; larger arterial sheaths…

…Typical angina or dyspnoea at a low level of exertion. Left ventricular dysfunction suggesting extensive obstructive CAD. A high risk result on non invasive testing…

…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…

…CABG. Physical examination findings are not specific to left main disease. The examination should nevertheless assess the consequences of extensive myocardial ischaemia, including heart failure…

…with detectable troponin. High sensitivity assays may therefore identify a continuum of myocardial injury ranging from minor or reversible injury to extensive necrosis. Causes of…

…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…

…with a lifespan of 5–10 years. A shorter lifespan can be expected if the pacing requirement is extensive, or if the stimulus threshold (discussed…

…complete coronary artery occlusion, which results in the complete stop of blood flow and thus more extensive myocardial ischemia (referred to as transmural ischemia). Yet…

…some pressure when holding the transducer against the skin. Patients with extensive subcutaneous fat require harder pressure. Orientation index marker All ultrasound transducers have an…