…are rare. Renal failure increases risk of cyanide toxicity. Cyanide toxicity requires doses 2 μg/kg/minute. Use the lowest possible dose, avoiding prolonged…

…speech, work of breathing, level of consciousness and PEF improve at the same time. Acute severe asthma is characterised by bronchospasm, mucosal oedema and mucus…

…to taper off, not to increase the dose. Contraindications Ongoing respiratory depression, or untreated severe respiratory failure without the possibility of monitoring. Paralytic ileus and…

…Echocardiography of the European Society of Cardiology 11 (3), pp. 223–244. DOI: 10.1093/ejechocard/jeq030. Pulmonary valve stenosis Mild stenosis Moderate stenosis Severe…

…Gonzalo; Baumgartner, Helmut et al. (2012): Guidelines on the management of valvular heart disease (version 2012). In European heart journal 33 (19), pp. 2451–2496…

…Moderate regurgitation Severe regurgitation Pulmonary valve morphology normal normal/abnormal abnormal Density CW Doppler weak, slow deceleration variable dense, steep deceleration, early termination of diastolic…

…coexist with severe hypertension. The decision to lower BP in acute stroke requires attention to the type of stroke and the possibility of thrombolytic treatment…

…Brief coronary occlusion or relatively prolonged moderate ischemia may produce post ischemic stunning. In the absence of infarction, contractile recovery can occur rapidly after reperfusion…

…or impending herniation Moderately severe symptoms New confusion Severe headache Persistent nausea Moderately reduced consciousness Marked gait instability The specificity of the symptoms is limited…

…Acute myocardial infarction is the most severe complication of coronary artery disease. The most common initiating mechanism is rupture or erosion of a vulnerable (unstable…

…more severe and lower the seizure threshold [6]. This explains why a history of previous withdrawal seizures or delirium tremens is one of the strongest…

…several factors Inattention is central. A simple check is to ask the patient to recite the months of the year backwards. A normal result does…

…to 52%. They frequently occur in patients with severe coronary artery disease, defined in the source material as stenosis greater than 70%, and are an…

…immediately overwhelming MR. Partial rupture, often involving the tip or head of the muscle, more commonly produces severe but initially survivable MR. The posteromedial papill

…with temporary mechanical circulatory support (MCS) considered as a bridge. Clinical Presentation and Symptoms Symptoms of STEMI The usual symptom is severe, prolonged ischemic discomfort…

…conceptual framework Acute coronary occlusion is the abrupt or progressive reduction of coronary blood flow sufficient to produce myocardial ischaemia and, when prolonged or severe…

…of norepinephrine. All patients with severe acute heart failure who receive levosimendan should be monitored invasively (e.g. arterial line, PiCCO, central venous catheter). The…

…particularly PDE3 and PDE5, which break down cAMP and cGMP. It also inhibits the cellular reuptake of adenosine into endothelial cells. Further, it inhibits adenosine…

…Infarction (STEMI) is the most severe manifestation of coronary artery disease. This chapter deals with the pathophysiology, definitions, criteria and management of patients with acute…

…movement that merely worsens dizziness that is already ongoing . A patient with BPPV is usually relatively free of symptoms between the brief attacks. Lying down…

…flushing or angio oedema, together with at least one of the following: airway compromise respiratory compromise circulatory compromise severe gastrointestinal symptoms, particularly after exposure to…

…cap. Lidocaine 10 mg/mL for local anaesthesia in the awake patient — the anaesthetic also improves the chance of success by counteracting vascular spasm. Pressure…

…reduction in renal failure and in old age Amiodarone In severe haemodynamic compromise where the above cannot be used It also has a rhythm control…

…Contraindications Severe coagulopathy or ongoing anticoagulation — correct this first . Thrombocytopenia, by contrast, is not a contraindication; the specimen may be taken even at very low…

…Measurement of central venous pressure and central venous oxygen saturation. Repeated blood sampling during intensive care. Exhausted peripheral venous access during prolonged intravenous therapy. The…

…critical element The diagnosis and the donor care The time from withdrawal of treatment to circulatory arrest Indications An intensive care patient with severe brain…

…be impaired in severe DKA Cognitive impairment is more common, particularly at very high osmolality Blood ketones are preferable to urine ketones. The principal ketone…

…roll or the Gufoni manoeuvre for treatment. Contraindications Absolute: Unstable cervical spine injury, recent cervical spine surgery, atlantoaxial instability, severe rheumatoid arthritis of the neck…

…treatment review. For a fuller account of two of the commonest acute drug problems, see Warfarin therapy and Opioid therapy in severe pain. Cardiac arrest…

…hepatic function, a non pregnant adult of normal weight, and individual assessment. See the separate quick reference for dosing in impaired renal function. Respiratory tract…

…withdrawal carries a risk of rebound. The referring physician should have made this decision; document which applies. Nitroglycerin is continued; note it in the report…

…Severe At least 6.5 mmol/L, or hyperkalaemic ECG changes at any level Immediate emergency treatment, continuous ECG monitoring and early assessment of the…

…Condition Overall strategy Common first choices : : : Acute aortic syndrome Immediate rate control and rapid reduction of the systolic blood pressure towards 100 to 120 mmHg…

…with a full stomach. Preparation and equipment A laryngeal mask of the correct size plus one size above and one below. Second generation masks with…

…closer monitoring — the patient cannot feel pressure injury Peripheral neuropathy of other cause As above Severe pain Titrate the pressure up gradually Rheumatoid arthritis with…

…severe or recurrent Partial nail avulsion, often with chemical matrix ablation A nail spicule that has split off Removal of the spicule A painful subungual…

…in ileus, subacute obstruction or gastric retention — the commonest indication on a surgical ward. Decompression in severe vomiting where the stomach does not empty. Intraoperatively…

…Osteogenesis imperfecta and severe osteoporosis (relative). An inability to identify the landmarks. Choice of vein and cannula size Choose the veins of the forearm for…

…Marked atopic disease, particularly severe asthma and a history of anaphylaxis — a relative contraindication; the test is then performed with preparedness for anaphylaxis. An untreated…

…Marked liver failure with coagulopathy. Severe uncontrolled hypertension. Recent intracranial haemorrhage without a fresh assessment of benefit and risk. An inability to attend for sampling…

…help determine expected normal values based on body surface area (BSA), aiding in the diagnosis of aortic root dilation. Key Formulas BSA Calculation (Mosteller formula): [ …

…Liver cirrhosis. Severe heart failure. Doses 100 mg/day during the third trimester of pregnancy. Dosage Acute myocardial infarction: Initial loading dose: 300–500 mg…

…Proietti M, Lane DA, Lip GYH. Evaluation of the HAS BLED, ATRIA, and ORBIT bleeding risk scores in atrial fibrillation patients on warfarin. Am J…

…with acute heart failure. • Clevidipine can cause reflex tachycardia. • Contraindicated in severe aortic stenosis due to risk of hypotension. Clevidipine doses and administration in hypertension.

…severe cardiovascular disease or in those who are otherwise haemodynamically unstable. The benefit of its administration in these patients should be carefully balanced against the…

…TRIPTORELIN PAMOATE TRIPTORELIN PAMOATE Mixed wp most sudden cardiac death/prolong the QT interval severe carboprost tromethamine CARBOPROST TROMETHAMINE CARBOPROST TROMETHAMINE Mixed ar less Tachycardia…

…increase the effect of enalaprilat, and may cause severe hypotension. Time to onset of action 15 to 30 minutes. Peak effect Within hours. Duration of…

…with ECG, central vein catheter and intra arterial catheter (A line) is warranted. Overview of vasopressors and inotropes Inotropes and vasopressors. Table 1. Drug manual…

…Moderate regurgitation Severe regurgitation Pulmonary valve morphology normal normal/abnormal abnormal Density CW Doppler weak, slow deceleration variable dense, steep deceleration, early termination of diastolic…

…of developing an atherothrombotic event. Contraindications Hypersensitivity to the active substance or any excipient. Active bleeding. Previous intracranial hemorrhage. Severe liver impairment. Concurrent administration of…

…increasingly frequent or severe episodes, longer episodes, a lower threshold for provocation, or symptoms that awaken the patient from sleep. Initial symptoms of NSTEMI and…

…weakness to paralysis and is a particularly important marker of threatened limb viability. Paralysis generally indicates severe and persistent ischaemia. The limb may be cold…

…bradycardia in the early hours following infarction may be associated with hemodynamic compromise. More broadly, bradyarrhythmic arrest and asystole represent severe manifestations of impulse generation…

…severe aortic stenosis, particularly the low flow, low gradient phenotype, or those undergoing aortic valve replacement [1, 5, 10]. A history of increasing frequency of…

…BNP may be used as prognostic markers during the disease course. In summary, the risk of severe disease and death is several times higher in…

…adults with elevated blood pressure (BP), in whom absolute cardiovascular risk varies considerably according to age and the presence of concomitant risk factors. In contrast…

…than 50% of the lumen. Assessment of total coronary disease burden, including non obstructive plaque, therefore contributes prognostic information beyond identification of focal severe stenoses…

…of symptoms coupled with diaphoresis should always raise concern for a cardiovascular cause [4]. 2. Aortic Dissection Pain Characteristics: The classic symptom is a severe…

…the earliest stages of ischemia, this may manifest as tall, positive hyperacute T waves [15]. Profound ST elevation across multiple leads generally indicates very severe…

…associated with extensive premature and progressive ASCVD; CAD and aortic stenosis may occur before the age of 20 years, with death often occurring before age…