…Doses as low as 2.5 mg may terminate some tachycardias, and doses of 12 mg or less successfully terminate 92% of supraventricular tachycardias (SVTs…

…likelihood of SAMS increases with higher statin doses and with several patient and treatment related factors: Age older than 80 years Female sex Low body…

…Overview of vasopressors and inotropes Vasoconstriction Vasodilatation Positive inotropy Phenylephrine Vasopressin Midodrine Noradrenaline Adrenaline, high dose Dopamine, high dose Adrenaline, low dose Dopamine, intermediate dose…

…g., coumarin derivatives or heparin—except low dose heparin). Patients with gastrointestinal disorders. Patients with severe kidney disease (glomerular filtration rate < 30 mL/min)…

…low, renal excretion is negligible, and doses do not require reduction in patients with renal disease; neither amiodarone nor desethylamiodarone is dialyzable. The volume of…

…Doses 5 μg/kg/min induces vasoconstriction, which dominates at dosease 15 μg/kg/min. Tachycardia Increased ventricular rate in AF Ventricular arrhythmias…

…Doses 5 μg/kg/min induces vasoconstriction, which dominates at dosease 15 μg/kg/min. Tachycardia Increased ventricular rate in AF Ventricular arrhythmias…

…at low energy and is difficult to terminate pharmacologically. Ectopic atrial tachycardia or SVT that has not been terminated by vagal manoeuvres, adenosine or rate…

…sPESI of 0 indicates low risk. Anticoagulation A DOAC is the first choice in pulmonary embolism without malignancy and without antiphospholipid syndrome. The doses in…

…earlier techniques. Radiation exposure depends on the protocol and scanner; CAC scanning is associated with a particularly low dose, approximately 1–2 mSv, while contemporary…

Procedurer Injection technique is treated as self evident and is therefore often done wrongly. The two commonest errors are that an intramuscular injection in fact…

…the prescription list and the findings of the ambulance crew The stated dose is often unreliable and must never be used on its own to…

…the risk is low. In patients undergoing percutaneous coronary intervention, even mild baseline renal dysfunction is associated with worse outcomes. The risk of death at…

…At higher doses, vasoconstriction may occur, accompanied by decreased venous capacitance and an elevation in right atrial pressure. Levosimendan represents a distinct class of inodilator…

…it does not, by itself, establish that anticoagulation should be withheld when the thromboembolic risk is substantial. Clinical presentation and symptoms The clinical manifestations of…

…testing). Dyspnea (dyspnoea) Exercise does lead to tachypnea (increased respiratory rate), which should, however, be distinguished from dyspnea which is shortness of breath. Dyspnea may…

…leg raising with an increase in stroke volume 10%, or inferior vena cava variability . In the absence of responsiveness, fluid does more harm than good.

…in several ways. Monoamine oxidase inhibitors can cause a hypertensive crisis through interactions, while venlafaxine and higher doses of bupropion, among others, can raise the…

…repeated cycles of gradually increasing PR interval until an atrial impulse (P wave) is blocked in the atrioventricular node and the QRS complex does not…

…when the sinus rate is extremely low—such as less than 40 to 50 beats per minute in the first 4 to 6 hours after…

…Treatment protocols differ between regions. Always follow the local protocol for exact infusion rates, electrolyte concentrations and level of care. This quick reference is intended…

…exercise induced arrhythmias Evaluating the blood pressure response Refining risk stratification and prognosis For patients with low or moderate pre test likelihood of obstructive CAD…

…be due to the low amplitude (voltage) of the potentials generated by activated myocardium. Functional undersensing occurs when the pacemaker does not sense intrinsic activity…

…done through an external device that communicates wirelessly with the pacemaker. A wide range of settings can be adjusted. These settings include the base rate…

…in heart rate, stroke volume, or vascular tone can significantly impact MAP, reflecting the dynamic interplay between cardiac function and vascular resistance. Advantages of measuring…

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

…reduction required is greater than can reasonably be obtained with a statin alone but does not necessarily require the larger effect of a PCSK9 inhibitor…

…is done using high frequency waves. The frequency of the ultrasound wave must generally be reduced in order to visualize objects located far away from…

…Rate control does not affect the rhythm per se . Rhythm control, on the other hand, attempts to restore sinus rhythm by use of antiarrhythmic drugs…

…inadequate response. First line treatment is oxygen in hypoxaemia, repeated doses of an inhaled short acting β2 agonist, ipratropium in more severe attacks, and a…

…rapid ventricular rate atrial fibrillation, marked anaemia, hypertensive emergency, heart failure, and end stage renal disease, may produce elevated troponin concentrations. The probability of MI…

…low grade systemic inflammation Insulin resistance Abnormal adipokine signalling Endothelial dysfunction Dyslipidaemia A prothrombotic state Albuminuria and declining estimated glomerular filtration rate Development of type…

…disorder characterized by persistently elevated plasma low density lipoprotein cholesterol (LDL C) from early life and a consequent excess risk of premature atherosclerotic cardiovascular disease …

…treatment, with a very low number needed to treat (NNT), indicating high effectiveness. Although BLS is primarily developed for out of hospital cardiac arrest (OHCA)…

…capacity, low affinity transporter situated in the S1 and S2 segments of the renal proximal tubule. It accounts for approximately 90% of renal glucose reabsorption…

…2] . This change reflects robust evidence that female sex alone, in the absence of other comorbidities, does not significantly increase stroke risk. Conversely, the 2023…

…hypotension, or evidence of low output despite relatively limited elevation of left sided filling pressure. Evaluation and physical examination Initial assessment should establish whether the…

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

…Inhaled and topical steroids in high doses can also cause systemic suppression. Corticosteroids mask fever and peritonitis. The abdomen of a patient on corticosteroids can…

Cardiology Clinical medicine Definition and scope Alcohol has dose , pattern , duration , sex , and genetically influenced effects on the cardiovascular system. Acute exposure produces transient haemodynamic…

…consider within 15 hours of the last dose. Andexanet alfa where available Low molecular weight heparin Protamine has only a partial effect Unfractionated heparin Protamine…

…through changes in DNA acetylation. Lipid lowering efficacy Bempedoic acid is available as a single daily dose of 180 mg. The LDL C response varies…

…a dose dependent reduction in PCSK9 and LDL C. Across clinical studies, LDL C reductions have generally been approximately 50%, with reported reductions of up…

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

…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…

…Treatment • No prior treatment, low dose, or low intensity lipid lowering therapy: • Start high potency, high dose statin therapy (Class I recommendation). • Immediate combination with…

…prevention trials involving individuals with an estimated 10 year cardiovascular risk of 10%. Approximately 12% reduction in non fatal myocardial infarction with low dose aspirin…

…coronary disease, many of whom have a previous acute coronary syndrome. The available evidence supports consideration of low dose colchicine as an adjunct to, rather…

…The standard post ACS regimen is DAPT for 12 months, generally consisting of low dose aspirin and a potent P2Y12 inhibitor, preferentially prasugrel or ticagrelor…

…nausea and delayed gastric emptying. Bear this in mind before sedation and endoscopy DPP 4 inhibitor A low risk of hypoglycaemia; it can usually be…

…life of several days and more than a hundred clinically relevant interactions. What determines whether the treatment is safe is not the starting dose but…

…lateral) does not affect success, but active compression of the pads lowers defibrillation thresholds and improves success, and maximum fixed energy shocks outperform low escalating…

…blood pressure close to target. Low dose combination therapy generally produces faster and more consistent blood pressure reduction than monotherapy. It may also reduce treatment…

…Functional impact A low NIHSS does not exclude a disabling deficit, for example aphasia, hemianopia or hand paresis in a person of working age Blood…

…1.5 g for the first dose, then 1 g × 1 IV Clostridioides difficile, primary infection, low risk of recurrence vancomycin 125 mg × 4 PO…

…Low molecular weight heparin unless contraindicated Head of the bed 30–45° Stress ulcer prophylaxis During mechanical ventilation, in coagulopathy, or with a history of…

…doses of 75–100 mg daily appear to provide similar efficacy to higher doses while reducing bleeding risk. Low dose aspirin is also preferred in…

…norepinephrine and/or inotropes are reserved for low output and hemodynamic instability. Evaluation and physical examination The objective of decongestion is clinical euvolemia rather than…

…A comprehensive cardiovascular assessment should include review of modifiable risk factors and associated disease. The supplied material does not specify a diagnostic physical examination protocol…

…the intensity of reflected sound waves. Structures with high echogenicity will reflect more ultrasound and appear brighter on the image. Structures with low echogenicity reflect…