…all in diabetes. The severity of the symptoms and the patient's need for help matter more than a single measured value [2]. Level Plasma…

…Conversely, a rapid rise in blood pressure from a previously low level can cause organ damage at lower values, for example in pregnancy, acute glomerular…

…can disrupt the conduction system at any level, producing atrioventricular (AV) or intraventricular blocks. Isolated sinus bradycardia in the early hours following infarction may be…

…until the risk of hypercapnia has been assessed. 3. Take an arterial blood gas in respiratory compromise, low saturation, suspected carbon dioxide retention, reduced consciousness…

…in the chest and stopped struggling may be about to stop breathing. Diminishing wheeze means improvement only if air entry, speech, work of breathing, level…

…does not produce the same sustained shift of water [3]. Severity of DKA The classification helps in choosing the level of care. The clinical state…

…relative contraindication to elective cardioversion. It does not apply in haemodynamic instability. Digitalis toxicity — a risk of refractory ventricular arrhythmias. Therapeutic digoxin levels, by contrast…

…maximum tolerated statin dose. This recommendation carries Class I status with Level B evidence in the chronic coronary syndrome lipid lowering recommendations. Acute coronary syndrome…

…exertion at a low workload is a strong predictor of adverse outcomes. Table 1. Borg Rating of Perceived Exertion Scale RATING LEVEL OF EXERTION COMMENT…

…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…

…least 10 minutes in a room at a comfortable temperature — a cold foot gives falsely low pressures. No smoking or coffee in the preceding hour…

…hours Prednisolone 5 mg Moderate Intermediate, 12–36 hours Methylprednisolone 4 mg Low Intermediate Betamethasone 0.6 mg None Long, 36–54 hours Dexamethasone 0…

…your eye level. A head lamp or another directable light source, an operating otoscope, a magnifying loupe. A nasal speculum and otoscope specula in several…

…Marked renal failure Low molecular weight heparin with dose adjustment, or warfarin Subsegmental pulmonary embolism without deep vein thrombosis An individual assessment; in selected cases…

…is recommended. European guidance gives this strategy a Class I recommendation with Level B evidence in patients with blood pressure ≥140/90 mmHg, with important…

…and population level risk estimation, but it does not characterize body composition, fat distribution, skeletal muscle mass, physical fitness or individual health status. In particular…

…glucose levels, together with a low salt, low cholesterol diet, regular physical activity, avoidance of smoking, and adequate sleep. The process should begin early in…

…energy levels should remain consistent with those used for non pregnant adults. The fetus is not harmed by defibrillation, amiodarone, or adrenaline (epinephrine). In the…

…cTnI and cTnT are specific to cardiac muscle cells. Cardiac troponin levels are extremely low in healthy subjects; the 99 th percentile is less than…

…high tissue penetration and low image resolution. High frequency waves provide good image resolution but worse penetration. Visualizing objects located in close proximity to the…

…models. Targeting risk factors has been very successful in the primary and secondary prevention of atherosclerotic cardiovascular disease, both at the population and individual levels…

…present: Severe symptoms despite guideline directed antianginal treatment. Typical angina or dyspnoea at a low level of exertion. Left ventricular dysfunction suggesting extensive obstructive CAD…

…increasing intensity may reduce overuse injuries. The practical principle is to begin at a low level and progress slowly. Exercise Intensity Intensity may be prescribed…

…Look for hyphaema — blood with a fluid level in the anterior chamber, best seen with the patient sitting up. 3. Ocular movements in all directions…

…blind boluses in cardiogenic toxic shock D Plasma glucose immediately. Assess the level of consciousness, the pupils, tone, clonus and seizures. Give glucose in hypoglycaemia…

…extremely low and the potentially catastrophic consequences of wrongfully withholding an attempt, CPR is often initiated in individuals who are biologically dead or in w

…is particularly poor a predictor in South Asians, who have substantially elevated risk of cardiovascular disease and diabetes at BMI levels of 23 kg/m…

…PCSK9 Inhibitors: Added in cases where LDL C remains above the goal despite statin and ezetimibe therapy. Goal: Achieve LDL C levels <1.4 mmol…

…Familial hypercholesterolaemia (FH) is an inherited disorder characterized by persistently elevated plasma low density lipoprotein cholesterol (LDL C) from early life and a consequent excess…

…In the management of heart failure, digoxin improves hemodynamics without increasing heart rate or decreasing blood pressure, making it a consideration for patients with low…

…with caution in patients on low dose acetylsalicylic acid for cardioprotection. Pharmacokinetic interactions Methotrexate: NSAIDs inhibit tubular secretion of methotrexate, increasing plasma levels and risk…

…mL at the cost of increased toxicity risk. In routine clinical practice, amiodarone plasma levels are rarely useful, as myocardial concentration—which correlates best with…

…high levels of natriuretic peptides and cardiac troponin [19]. ATTR Amyloidosis: This form arises from the misfolding of transthyretin, a protein produced primarily in the…

…fractions and higher peak biomarker levels, compared to those without such conduction defects [12]. Sudden Cardiac Death (SCD) : In patients with a low ejection fraction…

…Statins inhibit 3 hydroxy 3 methylglutaryl coenzyme A reductase, the rate limiting enzyme in cholesterol synthesis. Reduced hepatic cholesterol production increases hepatic LDL receptor expression…

…low coronary flow rates. However, as flow continues to rise, tracer uptake plateaus. This saturation effect can lead to an underestimation of blood flow in…

Cardiology Definition and pathophysiology Low density lipoprotein cholesterol (LDL C) is the principal therapeutic target in lipid management because LDL and other apolipoprotein B containing…

…Target ≥ 65 mmHg in shock; higher in known hypertension Pulse pressure 40–60 mmHg A narrow pulse pressure suggests a low stroke volume Capillary refill…

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

…rationale Bempedoic acid is an oral, small molecule lipid lowering agent used to reduce low density lipoprotein cholesterol (LDL C), particularly when statins cannot be…

…Proprotein convertase subtilisin/kexin type 9 (PCSK9) is a hepatic protein that regulates the availability of the low density lipoprotein receptor (LDL receptor) on hepatocytes…

…left and right ventricle is rather common. The ECG has low sensitivity with respect to detecting biventricular hypertrophy. This is because the strong and oppositely…

…but in the overall picture : exercise capacity, symptoms, blood pressure response, heart rate response, arrhythmias and recovery. A patient who stops at a low workload…

…halve before the creatinine leaves the reference range, because the relationship is hyperbolic. In people with a low muscle mass — the elderly, the undernourished, amputees…

…The quality of the test determines its entire value: a poorly performed manoeuvre gives a falsely low FVC and thus a falsely normal FEV₁/FVC…

…low risk female patients, thereby reducing the potential for bleeding complications. The CHA₂DS₂ VA score is a clinical tool designed to assess stroke risk in…

…Their clinical importance arises from the causal role of low density lipoprotein cholesterol (LDL C) and other apoB containing lipoproteins in atherosclerotic cardiovascular disease (ASCVD)…

…PCSK9 synthesis decreases circulating PCSK9, increases the availability of hepatic low density lipoprotein cholesterol (LDL C) receptors at the cell surface, and thereby enhances removal…

…syndromes (ACS). Its principal therapeutic objective is reduction of low density lipoprotein cholesterol (LDL C), the primary lipid target in contemporary secondary prevention. Statins inhibit…

…SGLT2 is a high capacity, low affinity transporter situated in the S1 and S2 segments of the renal proximal tubule. It accounts for approximately 90…

…and appear brighter on the image. Structures with low echogenicity reflect less ultrasound and become darker in the image. Acoustic shadowing Some structures have very…

…including laypeople. As shown in Table 1, BLS is an exceptionally effective treatment, with a very low number needed to treat (NNT), indicating high effectiveness…

…for patients with low risk of CAD. Risk stratification : Myocardial perfusion imaging is valuable for assessing the risk of future cardiac events in patients with…

…is the leading cause of mitral regurgitation in low and middle income countries. Rheumatic heart disease typically results in thickening of the leaflets and may…

…fibrillation, coarse (large amplitudes). ECG 4 . Ventricular fibrillation. ECG 5 . Ventricular fibrillation, fine (low amplitudes). ECG 6 . Ventricular fibrillation, coarse. ECG 7 . Ventricular fibrillation, coarse…

…per standard guidelines. Cardiac arrests due to trauma are characterized by very low survival rates. In the nationwide Swedish Registry for Cardiopulmonary Resuscitation, the 30…

Klinisk kemi & laboratoriemedicin Akutsjukvård Lathundar Basic principle Interpret the blood gas in the same order every time. Skipping a step is a common reason why…

…a contraindication; the specimen may be taken even at very low platelet counts, followed by compression. Infection in the skin overlying the puncture site. Previous…

…enlargement P wave in V1 Terminal negative component 1 mm × 40 ms Left atrial enlargement Low voltage QRS < 5 mm in the limb leads…

…Vaccines, depot antipsychotics, hydroxocobalamin, adrenaline in anaphylaxis, ceftriaxone, ferric carboxymaltose Rapid, 10–20 min Subcutaneous (SC) Insulin, low molecular weight heparin, GLP 1 analogues, methotrexate…