…tachycardia (NCT). Adenosine typically causes a short lasting second or third degree AV block which may be unpleasant to the patient. This side effect lasts…

Procedurer The single most important step in any eye injury is to measure and document the visual acuity before anything else is done. The second…

Procedurer The laryngeal mask is the single most important tool when intubation fails, since it restores oxygenation without requiring a view down into the larynx…

Cardiology SPECT vs. PET In SPECT (Single Photon Emission Computed Tomography), radiotracers emit gamma photons directly. These gamma rays are detected by gamma cameras to…

…not made on a single reading. It requires repeated measurements on at least two occasions, and preferably confirmation by home measurement or 24 hour recording…

[calc_map] Mean arterial pressure (MAP) represents the average pressure within the arteries throughout a single cardiac cycle, encompassing both systole and diastole. It is…

…Definition and Clinical Purpose Myocardial perfusion imaging (MPI) with single photon emission computed tomography (SPECT) or positron emission tomography (PET) is a radionuclide based method…

…distinction that determines management is: is there acute hypertension mediated organ damage or not? A single blood pressure value does not define a hypertensive emergency…

…ECG 2 . Spontaneous termination of ventricular tachycardia (VT). ECG 3 . A single ventricular beat, followed by a three ventricular beats (VT). ECG 4 . Regular supraventricular…

…the bedside. The check against the patient's own identity immediately before transfusion is the single most important safety measure in the entire chain. In…

…or a central venous catheter for longer treatment. Sodium bicarbonate 50 mg/mL (corresponding to 0.6 mmol sodium bicarbonate per mL) for bolus and…

…et al 1 ). Representative single beat morphs for a low risk patient (blue) and the corresponding high risk morph (red). Beyond the difference in R…

…bioavailability ranging from 25% to 65% and minimal hepatic first pass extraction. Following a single oral dose, plasma concentrations peak within 3 to 6 hours…

…tomography (CT) scan. Image acquisition generally requires a single breath hold and does not require intravenous access, premedication, or special preparation. The most widely used…

…acute HMOD, although other guidance emphasizes that no single BP threshold is diagnostically sufficient: the presence of ongoing acute organ injury is decisive. The pathophysiology…

…active electrical wavefronts at any given point in time, approximated as a single heart vector [3]. The orientation and intensity of this vector fluctuate throughout…

…diagnosing hypertension and the effectiveness of antihypertensive treatments, targeting hypertension is the single most effective public health measure available ( Ezzati et al, Lim et al )…

…magnetic resonance (CMR), cardiac computed tomography (CT), single photon emission computed tomography (SPECT), positron emission computed tomography (PET) and coronary angiography. These modalities aim to…

…conditions. MPI uses radiotracers in combination with single photon emission computed tomography (SPECT) or positron emission tomography (PET) to assess myocardial perfusion and blood flow…

…during a single cardiac cycle, the loop diagram shown in Figure 1 is obtained. Figure 1. Left ventricular pressure volume relationship during a single cardiac…

…whether they are continuous or episodic, how long an attack lasts, and whether anything actually triggers it [1,2]. The single most important practical rule…

…another. A low blood pressure may be due to low flow, low vascular tone or both, and the appropriate action differs fundamentally between these cases…

…single fibre EMG about 95 %). Contraindications Known hypersensitivity to edrophonium. Mechanical obstruction of the bowel or the urinary tract. Marked bradycardia, sick sinus syndrome or…

…seizures, confusion, a change in behaviour, collapse or an acute neurological deficit. Hypoglycaemia can cause hemiparesis, aphasia and radiological changes resembling ischaemic stroke. Glucose measurement…

…days, or shorter neutropenia with clinical risk factors International guidelines generally use a single temperature of 38.3 degrees as the threshold [4,5]. Some…

…of stroke or transient ischemic attack (TIA). Severely impaired liver function classified as Child Pugh Class C. Dosage Adults Initial dose : A single loading dose…

…stroke, or cardiovascular death. In the cited evidence, this corresponded to 36 fewer events per 1000 treated patients. Aspirin for long term secondary prevention Standard…

…cholesterol (LDL C), particularly when statins cannot be tolerated or when LDL C remains above goal despite maximally tolerated therapy. It is a prodrug activated…

…organ damage (HMOD) Probable or definite familial hypercholesterolaemia Other markedly abnormal single risk factors or genetic, rare lipid, or BP disorders Pregnancy Established ASCVD includes…

…DASH style diets. Their effects are multidimensional and cannot be adequately inferred from changes in a single intermediate marker such as cholesterol. Dietary composition may…

…phenotypic expression complicate risk prediction. Familial clustering may also reflect shared environmental or behavioural factors rather than a single gene disorder. This distinction is important…

…receptor endocytosis and produce an FH like phenotype. Individuals with a single pathogenic variant have heterozygous FH (HeFH). Biallelic pathogenic variants cause homozygous FH (HoFH…

…more than one pathophysiological pathway, combinations generally lower blood pressure more effectively than simply increasing the dose of a single drug. They may also permit…

…first or anterior infarction. Single vessel disease without collateral support. Chronic kidney disease, particularly in relation to VSR. Large infarction, especially for septal or free…

…pre existing symptoms to the medication. No single diagnostic test can distinguish a pharmacological SAMS effect from a nocebo response. Predisposing factors The likelihood of…

…or without ECG abnormalities and with or without an elevation in cardiac troponin. The underlying pathological mechanism is not restricted to a single lesion or…

…Typical features include a lipid rich core, a thin fibrous cap, macrophage and foam cell accumulation, expansive or positive remodelling, neovascularization, plaque haemorrhage, adventitial inflammation…

…rescue, and security guards) in BLS is key to improving outcomes in OHCA and may be the single strongest factor driving improvement in survival rates…

…line over time (the x axis displays time). Since M mode only analyzes a single ultrasound line, its temporal and axial resolution is very high…

…2. Measure the urine output. Perform a bladder scan in oliguria, anuria or unexplained AKI. 3. Assess the circulation and volume status, including signs of…

…criterion in a column. Clinical deterioration or a poor response to treatment carries more weight than a single apparently reassuring measurement. Finding Moderate attack Acute…

…Anaphylaxis is a rapidly developing systemic hypersensitivity reaction that can cause life threatening compromise of the airway, breathing or circulation. Skin symptoms may be absent…

…not eGFR relative to 1.73 m². Recalculate in patients who are markedly larger or smaller than average. Higher doses may be required in the…

…test; performed on the wrong patient or by an inexperienced examiner it is unreliable. A single central feature is enough to proceed with urgent investigation …

…or documented well managed DOAC therapy with no missed doses. A single missed DOAC dose makes the pretreatment inadequate and the cardioversion must be postponed…

…IV as a single dose Urosepsis with complicating factors cefotaxime 1 g × 3 IV 10–14 days including oral step down or piperacillin–tazobactam 4…

…few days. Principles Insulin component Function Who needs it : : : Basal insulin (intermediate or long acting) Covers fasting glucose production Everyone with type 1 diabetes, always…

…an overall assessment, not on a single threshold value. The combination of physiology, rate of bleeding, the pattern of injury or disease, the response to…

…estimated quantity the time, and whether the intake was single or repeated a modified release preparation or a combination product concurrent drugs, alcohol and illicit…

…syncope despite beta blocker therapy, or markedly prolonged QT intervals—the implantation of an implantable cardioverter defibrillator (ICD) is recommended. ICDs provide immediate intervention during…

…syncope despite beta blocker therapy, or markedly prolonged QT intervals—the implantation of an implantable cardioverter defibrillator (ICD) is recommended. ICDs provide immediate intervention during…

…including branch points in the epicardial coronary arteries. Early lesions may undergo positive or compensatory remodelling, in which the vessel enlarges outward before a major…

…gene sequence on chromosome 18 [19]: Variant or Hereditary ATTR (ATTRv): Caused by autosomal dominant single nucleotide polymorphisms resulting in amino acid substitutions that destabilize…

…to previous documented angina or myocardial infarction. Atherosclerotic and thromboembolic risk factors. Relevant predispositions, such as connective tissue disease. No single pain descriptor is diagnostic…

…Clinical context and treatment objectives DAPT is used in two principal settings: After ACS , whether managed medically or with revascularization. After elective PCI for CCS …

…have apparently preserved global systolic emptying while exhibiting impaired relaxation, increased passive stiffness, or both. Consequently, relatively small increases in venous return can produce disproportionate…

…from those of LDL, and elevated Lp(a) may confer greater risk per particle or unit of cholesterol than LDL cholesterol. Clinical implications High Lp…

…or are associated with high event risk. The apparent differences between thresholds reflect different guideline frameworks and clinical pathways rather than a single universal classification…

…or other inhaled products. Readiness to attempt cessation. Depression, schizophrenia, schizoaffective disorder, HIV infection or other circumstances that may affect cessation or treatment monitoring. Single…

…the setting of ischemia. Normal T wave inversion An isolated (single) T wave inversion in lead V1 is common and normal. It is generally concordant…