…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…

…the transducer is an acoustic lens . This is the hard rubber that focuses the ultrasound waves, which results in less scatter of the waves and…

…transducer itself is not seen in the image but the contour of the lens is seen at the very top of the sector field (the…

Procedurer Edrophonium is a very short acting cholinesterase inhibitor: the effect appears within less than a minute and has gone after 5–10 minutes. That…

Endokrinologi & metabolism Lathundar An inpatient has a different insulin sensitivity from at home: less food, more stress, often corticosteroids, often impaired renal function. Prescribe basal…

…is done wrongly: the patient pinches the nasal bone instead of the soft part, and lets go after two minutes. Management is a ladder — compression…

…NA sp ambiguous hypotension(Pediatric Use) mild BAL DIMERCAPROL Dimercaprol Mixed ar less tachycardia/blood pressure mild Trelstar TRIPTORELIN PAMOATE TRIPTORELIN PAMOATE Mixed wp most…

…alpha adrenergic blocker with rapid onset of action. Labetalol has less antihypertensive efficacy as compared with nicardipine. Labetalol is safe in patients with coronary artery…

…myocardial oxygen consumption and myocardial contractility. Less pronounced blood pressure lowering effect than esmolol and labetalol. Time to onset of action 20 minutes Duration of…

…accumulation of pericardial fluid, blood, or, less commonly, a mass. Tamponade occurs when intrapericardial pressure equals or exceeds right atrial pressure. The haemodynamic consequences are…

…beans, whole grains, nuts and seeds, yogurt, seafood and plant oils. They contain less refined grain, starch, added sugar, salt, trans fat, processed meat and…

…and a high probability of unstable angina (UA), and patients whose initial findings are less definitive. The defining electrocardiographic feature is the absence of persistent…

…one third of patients with inferior infarction. Extensive involvement is less common in patients with inferoposterior left ventricular infarction, while infarction confined predominantly to the…

…VF) and pulseless ventricular tachycardia (VT). The bradyarrhythmias include all bradyarrhythmias, pulse less electrical activity (PEA), and asystole. Bradyarrhythmias are discussed in the chapter Management…

…commonly attributable to abnormal automaticity or re entry mechanisms; triggered activity is a less frequent cause. The atrial rate typically ranges from 120 to 250…

…which may also be referred to as junctional escape rhythm . Junctional tachycardia is less common. Basic knowledge of arrhythmias and cardiac automaticity will facilitate understanding…

…possible due to the small distance between the heart and the ultrasound transducer, and because less air filled lung tissue covers the heart. In adults…

…pericardial effusion and tamponade. Less common are cysts and tumors of the pericardium, as well as congenital malformations leading to an incomplete or absent pericardium…

…formed in the deep veins of the legs or pelvis. Thrombi formed in the deep veins in the legs or pelvis can detach and flow…

…on the other hand, are much less likely to be caused by ischemia ( Figure 1 B ). This is noted in both North American and European…

…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…

…bony prominences Plaster bandages and plaster slabs (calcium sulfate) Mouldable, cheap, heavier, less strong, takes longer to set Synthetic cast material (fibreglass) Lighter, stronger, radiolucent…

…0.5 or toe pressure < 30 mmHg. Decompensated heart failure — compression of both legs acutely increases preload. Untreated deep vein thrombosis in the acute…

…new oxygen requirement, a saturation below 93 per cent on air, or a falling PaO2 Circulation A systolic blood pressure of 100 mmHg or less…

…not formalin Suspected vasculitis 4 mm punch from a lesion less than 48 hours old Also take a biopsy for immunofluorescence Panniculitis Excision or a…

…intestinal transit. Coffee ground vomiting is less specific than fresh haematemesis and can also be seen when the bleeding is slow or has stopped. The…

…fibrillation BMI categories The World Health Organization defines BMI categories as follows: Underweight : Less than 18.5 Normal weight : 18.5 to 24.9 Overweight :…

…approximately five times higher in males than females, although the sex difference becomes less pronounced in older age. Cigarette smoking is a major modifiable risk…

…pulse deficits, and malperfusion are less frequent in type A IMH. IMH is classified anatomically according to the Stanford system: Type A IMH: involves the…

…graft; in such cases, clinical manifestations may be less dramatic despite a sudden deterioration in function. The severity of tissue injury depends on the site…

…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…

…progressive increases in systolic blood pressure (SBP), while diastolic blood pressure (DBP) rises less steeply and may remain stable or decline later in life. Consequently…

…important therapeutic objectives. Evidence from randomized trials is often less applicable to very frail or multimorbid patients because these groups have historically been underrepresented. Consequently…

…Its cardiovascular effects therefore appear to reflect modulation of vascular inflammation rather than lipid lowering. Other anti inflammatory strategies have produced less favourable results. Canakinumab…

…atherosclerotic burden rather than as a direct measure of luminal obstruction. Calcified plaque is generally less likely to rupture than non calcified, lipid rich plaque…

…those achieved during testing. Exercise ECG has become less prominent as a primary diagnostic test for obstructive coronary artery disease (CAD), because coronary computed tomography…

…is relatively uncommon in the first decade, rises progressively through adulthood and becomes less steep in later life, although diagnoses may still occur after the…

…particularly in peripheral arterial disease. The relationship between triglyceride concentrations and aortic disease is less clearly defined, although triglycerides may contribute to the development and…

…and a false lumen separated by an intimal flap. Propagation may be antegrade or, less commonly, retrograde. Distal re entry tears may allow blood to…

…with myocardial infarction and aortic valve stenosis; associations are less pronounced with peripheral arterial disease and heart failure, and weakest with ischaemic stroke and cardiovascular…

…on residual LDL receptor expression. PCSK9 monoclonal antibodies are less effective in homozygous FH when residual LDL receptor function is limited. Clinical Indications PCSK9 inhibitors…

…inhibition of pacing, inappropriate ICD therapy, or, less commonly, device damage. Oversensing is more likely with unipolar leads. Electrocautery is the most frequent source of…

…balance. The principal sporadic subtypes are: Aldosterone producing adrenal adenoma Bilateral adrenal hyperplasia Primary or unilateral adrenal hyperplasia Rare aldosterone producing adrenal carcinoma Less commonly…

… A: Less than 50 beats/min B: 60 to 90 beats/min C: 90 to 120 beats/min D: Greater than 100 beats/min Explanation…

…rupture with tamponade, and less common causes such as severe pre existing valvular disease or excessive beta blocker or calcium channel blocker exposure. The incidence…

…Primary percutaneous coronary intervention (PPCI) is preferred to fibrinolysis when the anticipated interval from STEMI diagnosis to PCI mediated reperfusion is less than 120 minutes…

…wave. Because of the long duration of the plateau phase most contractile cells are in this phase at the same time (more or less). Moreover…

…than 20 minutes. New onset severe angina. Previously established angina that has become more frequent, more prolonged, or provoked by less exertion. Angina occurring after…

…can immediately and safely restore sinus rhythm, obviating slow drug titration and rendering the supraventricular versus ventricular distinction less critical. Performance involves sedation (e.g…

…Approximately 50% of cases exhibit biventricular cardiomyopathy, although the disease is less pronounced in the left ventricle. Rarely the condition is confined to the left…

…with the electronics in the pulse generator or dislodgement or fracture of the leads. External causes are less common and include electrolyte disorders, metabolic disorders…

…low in healthy subjects; the 99 th percentile is less than a few nanograms per liter of blood (typically <5 ng/L). This is explained…

…The cut off for chronotropic incompetence is 80% (i.e less than 80% diagnoses chronotropic incompetence) Management of chronotropic incompetence Treatment of chronotropic incompetence and…

…conduction. 2. Calcium Hypercalcemia Causes of hypercalcaemia Primary hyperparathyroidism and malignancies cause 90% of all cases of hypercalcemia. Less common causes are immobilization, sarcoidosis, thyrotoxicosis…

…to give the reader firm knowledge of normal findings , normal variants (i.e less common variants of what is considered normal) and pathological variants . Thus…

…and valvular function. Levosimendan drug is generally well tolerated. Severe adverse effects are less common. Levosimendan may be administered simultaneously with milrinone. The drugs can…

…TCFAs). These vulnerable plaques possess a massive necrotic lipid core and a highly inflamed fibrous cap measuring less than 65 micrometers in thickness. Macrophage derived…

…and greater than 80 ms in children less than 8 years of age without meeting the criteria for RBBB or LBBB." These conduction delays may…

…However, the chest pain caused by NSTEMI and unstable angina is less severe than the pain in acute STEMI. This is explained by the fact…

…is also true; the stiffer the myocardium, the slower and less pronounced the relaxation. Left ventricular compliance Multiple factors affect ventricular compliance. These factors include…