…with antianginal drugs and PCI or CABG, daily or weekly angina remains present in approximately 2%–24% of patients with CAD. The pathophysiology of refractory…

…the heart cannot provide blood flow commensurate with the body’s requirements, or can do so only at the expense of abnormally high filling pressures…

…least 2–3 cm of free fluid depth with no bowel in the path of the needle and measure the skin to peritoneum distance. 2…

…and step 2 Refractory status: contact anaesthesia, intensive care and neurology; intubate as needed and start anaesthetic treatment with EEG After clinical cessation of the…

…role of sensitized sensory nerve endings and afferent neural pathways in causing chronic refractory cough, akin to chronic neuropathic pain. This syndrome presents with a…

…instability and represents approximately 5–10% of cases. Intermediate high risk PE occurs in haemodynamically stable patients with both RV dysfunction on imaging and elevated…

…antihypertensives, should prompt clinical suspicion [1]. Cardiac Signs and Symptoms Patients often present with symptoms of predominant right heart failure, including lower extremity edema, ascites…

…will be blocked at that point. The length of the refractory period (see Basic Cardiac Electrophysiology) varies with heart rate. The length is shortened as…

…during the refractory period. Figure 6. Tachyarrhythmia with ventricular pacing. Failure to capture Definition : pacing does not result in myocardial activation. Two types of failure…

…corticosteroids, inhaled bronchodilators and nebulised adrenaline never replace intramuscular adrenaline [1,2]. Delayed administration of adrenaline is associated with more severe and more protracted reactions…

…least three weeks of adequate anticoagulation before cardioversion — an INR ≥ 2.0 checked weekly on warfarin, or documented well managed DOAC therapy with no missed…

…when there are signs of inadequate perfusion Urine output 0.5 mL/kg/h Lactate Falling A clearance 10 % per 2 h is a reasonable…

…first hour after ROSC, in parallel with coronary angiography, the search for the cause and the rest of the intensive care. 2. Insert the core…

…instability or cardiogenic shock recurrent or ongoing chest pain refractory to medical treatment life threatening arrhythmias or cardiac arrest mechanical complications of acute myocardial infarction…

…mechanical circulatory support Refractory advanced disease Consider palliative care Right ventricular failure is characterized by increased right atrial and right ventricular pressures with systemic congestion…

…refractory pain and hypertension despite treatment. A related entity is non A non B dissection , which involves the arch without involvement of the ascending aorta…

…arteries. It frequently coexists with left main coronary artery disease, diabetes mellitus, left ventricular dysfunction, peripheral vascular disease and other manifestations of diffuse atherosclerosis. Percutaneous…

…symptoms are severe, refractory to guideline directed medical therapy, occur at a low level of exertion, or are associated with high event risk. The apparent…

…detection of prescribed drugs in blood or urine. The terms “controlled resistant hypertension,” referring to blood pressure controlled with four or more medications, and “refractory…

…comprising approximately 20–25% of secondary hypertension cases. Coarctation of the aorta and renovascular disease are important non endocrine causes, particularly in patients with resistant…

…waiting 2 to 3 days to attain a steady state concentration before further adjusting the dose. Electrophysiology Sotalol prolongs the effective refractory periods of the…

…intraventricular conduction defect. The ventricular rhythm is regular (as is the atrial) with a rate ranging between 150 and 250 beats per minute. The P…

…published in 2008 by Haïssaguerre et al it was reported that early repolarization was associated with 3–5 times as great a risk of idiopathic…

…al (2023) : In a multicenter, randomized trial, the effects of extracorporeal cardiopulmonary resuscitation (ECPR) was compared to conventional CPR in patients with refractory out of…

…completely refractory, the impulse will be blocked and no QRS complex appears. Figure 1. Typical premature atrial contraction. Figure 2. Atrial premature beat with retrograde…

…and more refractory) each time until it is completely refractory and blocks the atrial impulse. This manifests on the ECG with gradual prolongation of the…