…myocardial cells and therefore myocardial troponins should not be detected in the blood. It should be noted, however, that current troponin assays are extremely sensitive…

…situations it is appropriate to connect additional electrodes in order to detect right ventricular infarction (leads V3R, V4R, V5R, V6R) and posterolateral infarction (leads V7…

…much more common than upper extremity symptoms. The severity of symptoms should be described by their effect on walking distance, daily activities, work and independence…

…considered extremely difficult across patient categories. However, the emergence of incretin based therapies, starting with glucagon like peptide 1 receptor agonists (GLP 1 RAs) and…

…and a faster release kinetics. This may explain higher peak levels of cTnI compared with cTnT. Normal values (reference values) URL (upper reference limit) : The…

…commonest cause of upper gastrointestinal bleeding, but the differential diagnosis includes oesophagitis, gastritis, a Mallory Weiss tear, a Dieulafoy lesion, angiodysplasia, malignancy and an aortoenteric…

…male and female Adult, male Adult, female Normal <440 ms <430 ms <450 ms Upper limit 440–460 ms 430–450 ms 450–470 ms…

Clinical medicine Emergency medicine Definition and pathophysiology Acute limb ischaemia (ALI) is an abrupt reduction in arterial perfusion of an upper or lower limb that…

…presented in the parenthesis). Values without confidence interval are simply the 98 th percentile (i.e the upper reference limit). Age <1 day 1–3…

…the chest and may extend to the arms, shoulders, neck, jaw, upper back, abdomen, or epigastrium. Dyspnoea, nausea, vomiting, diaphoresis, fatigue, faintness, and other symptoms…

…pressure, and discomfort in the chest, arms, neck, jaw, upper back, and abdomen, as well as dyspnea and nausea (anginal equivalents) [7]. Clinicians must consider…

…troponin value above the assay specific 99th percentile upper reference limit. It is classified as acute when serial measurements demonstrate a rise and/or fall…

…presented in the parenthesis). Values without confidence interval are simply the 98 th percentile (i.e the upper reference limit). Age <1 day 1–3…

…evident, ventricular tachycardia may appear more polymorphic in one lead (the upper lead). ECG 2 . Although the signal in the upper lead appears very disorganized…

…alae nasi, upper lip) Venous drainage towards the cavernous sinus Surgeon or ENT; often antibiotics Palm, fingers, tendon sheaths Deep compartments and tendon sheaths, loss…

…free mass index 15–19 kg/m² 17–22 kg/m² Ideal and dosing weight Drug dosing often requires a weight other than the actual…

…back and arm supported, legs uncrossed, no conversation Cuff width ≥ 40% of the upper arm circumference — a cuff that is too narrow gives a falsely…

…valid result exists Type and screen (BAS test) Blood group confirmation and antibody screening. If the screen is negative, a unit is selected electronically against…

…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…

…oxygenation despite maximal oxygen or non invasive ventilation. Inadequate ventilation with a rising pCO₂ and respiratory acidosis, or a markedly increased work of breathing with…

…50 × the upper limit of normal: paracetamol poisoning, ischaemic hepatitis ("shock liver") or acute viral hepatitis. The three are distinguished by the history and the…

…is inserted close to the upper border of the rib, never at the lower border where the neurovascular bundle lies, and the drainage is stopped…

…fumes. Preoperative assessment before thoracic or upper abdominal surgery in a patient with known lung disease. Follow up of treatment effect and of disease progression…

…however, identify symptomatic hypotension and symptoms suggestive of orthostatic hypotension as indications for additional postural assessment and as factors influencing treatment targets. Blood pressure ≥180…

…and ascends in a caudocranial direction along the interatrial septum. The left atrium is activated passively. The upper boundary of this circuit may be located…

…value above the 99th percentile upper reference limit (URL). The injury is considered acute if there is a documented rise and/or fall of cTn…

…ECG, and normal initial troponin may be observed in a chest pain unit or another non intensive care setting while serial testing is completed. Diagnostic…

…wedge pressure (PAWP) and pulmonary vascular resistance (PVR): Haemodynamic category mPAP PAWP PVR Precapillary PH 20 mmHg ≤15 mmHg 2 Wood units Isolated postcapillary PH …

…above the assay specific 99th percentile upper reference limit (URL). It is considered acute when there is a rise and/or fall in cTn values…

…tongue, and uvula causing airway obstruction Cardiovascular: Hypotension Circulatory collapse culminating in cardiac arrest Anaphylaxis can develop without dermatological or upper airway manifestations. Anaphylactic cardiac…

…wave contour on ECG The normal P wave (Figure 1, upper panel) is typically smooth, symmetric and positive. The P wave in lead II may…

…on the thighs and arm electrodes are placed proximally on the upper arm. Placement of chest (precordial) electrodes are not changed but additional leads may…

…upper normal limit is 220 msec (0.22 sec). If the PR interval is greater than 220 msec, first degree AV block is manifest and…

…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…

…day. Reassess the dose daily and follow creatinine. Underdosing in sepsis is more dangerous than exceeding the upper dose limit during the first 24 hours…

…Regional protocols and the terminology used by different devices vary; follow the local setting instructions for the device available on the unit. Preparation and equipment…

…any retrieval: it begins when someone in the intensive care unit identifies a possible donor and the deceased person's own wishes are properly established…

…Vertical, linear scratch marks suggest a foreign body under the upper eyelid. 7. Seidel's sign: apply fluorescein generously and look under blue light. A…

…with the distal pulse and sensation throughout the arm. External rotation (the Hennepin technique). The patient lies supine or sits. The upper arm is held…

…hypokalaemia. Aim for a serum potassium in the upper normal range, around 4.0–4.5 mmol/L, and continue replacement throughout the treatment. This…

…and upper airway. Due to the risk of airway compromise, it represents a medical emergency. Evaluation and Physical Examination The evaluation of chronic cough in…

…The upper 99% limits of normal for corrected QT (QTc) values in the general population are 450 ms for men and 460 ms for women…

…other platelet pathways. The distinction between primary and secondary prevention is fundamental: Primary prevention refers to individuals without established atherosclerotic cardiovascular disease (ASCVD), coronary artery…

…in the epicardial arteries is a major pathological substrate, but ischaemia may also result from epicardial vasomotor abnormalities or structural and functional microvascular disease. Thus…

…cava (which returns blood from the head and upper limbs) also enters the right atrium. Oxygenated and deoxygenated blood is then mixed in the right…

…a reflection of right atrial depolarization and the second half is a reflection of left atrial depolarization. This is shown in Figure 3 (upper panel)…

…is defined by: cTn greater than 5 times the 99th percentile upper reference limit; and At least one of the following: New ischemic ECG changes…

Cardiology Pharmacology & dosing Definition and pathophysiology Statins inhibit 3 hydroxy 3 methylglutaryl coenzyme A reductase, the rate limiting enzyme in cholesterol synthesis. Reduced hepatic cholesterol…

…angina pectoris and acute myocardial infarction are categorized under acute coronary syndromes (ACS). Aortic dissection Pneumothorax Pulmonary embolism Mediastinitis (rare condition) In addition to these…

Cardiology Evaluation and management of stable coronary artery disease Chronic coronary syndromes (CCS) Stable coronary artery disease (CAD), frequently referred to as stable angina pectoris…

…the upper normal limit. Sinus tachycardia can exceed 240 beats/min in children. As in sinus rhythm, a P wave precedes every QRS complex and…

…cava (which returns blood from the head and upper limbs) also enters the right atrium. Oxygenated and deoxygenated blood is then mixed in the right…

…as long QT interval . The upper reference limit for QTc interval is 460 ms in males and 470 ms in females. QTc intervals exceeding these…

…value above the 99th percentile upper reference limit (URL) in the appropriate clinical context. Unstable Angina presents with clinical and/or electrocardiographic signs of myocardial…

Arrhythmias and arrhythmology ECG Sinoatrial block (SA block): from ECG to clinical management Sinoatrial (SA) block implies that the impulses discharged in the sinoatrial node…

ECG Evaluation and management of stable coronary artery disease Chronic coronary syndrome (CCS) Stable coronary artery disease (CAD), frequently referred to as stable angina pectoris…

…interval and ride straight through the strip, without any relation to QRS complexes. P waves may occur on the ST T segment ( Figure 1 , upper…

…of an upper limit for ventricular compliance. The greater the left ventricular compliance, the less steep the slope of the EDPVR curve, and vice versa…