…and hence, the arrhythmia may be terminated. Generally, adenosine is considered safe for patients with narrow complex tachycardia (NCT). Adenosine typically causes a short lasting…

…response. The ECG in ectopic atrial rhythm and atrial tachycardia A regular rhythm with P waves that differ in contour from sinus P waves. If…

…that interacts with G protein coupled A1 receptors located on the extracellular surface of cardiac cells. Through the guanine nucleotide regulatory proteins Gi and Go…

…the morning, preferably starting between 08:00 and 09:00 , with the patient fasting or having had a light breakfast according to local practice. Let…

…perfusion, with an equal degree of hypoxia in all neurons. There is one fundamental difference between neurons and myocardium in the setting of hypoxia. Myocardium…

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…

…perioperative tachycardia) and hypertension (including hypertensive emergency, perioperative hypertension). Mechanism of action • Relatively cardioselective (beta 1 receptor blocker) beta blocker with ultra short acting effect…

…minute Adverse effects Headache. Flushing. Tachycardia. Nausea. Hypokalemia. Increased intra ocular pressure in patients with glaucoma. Caution Used cautiously in patients with glaucoma or increased…

…sample volume is depicted with two lines perpendicular to the Doppler line (Figure 2). Figure 2. Location of sample volume (SV) and the resulting spectral…

…image are drawn with varying shades of one color (usually gray). This is possible because the vibrations in the piezoelectric crystals, and thus the electric…

…drill system with needles in three lengths: short for children and slim limbs, medium for most adults, long for thick soft tissue and for the…

…hours is 1000 mL. Adverse effects Headache. Nausea. Fever. Atrial fibrillation. Worsening of heart failure. Caution • Used cautiously in patients with acute heart failure. • Clevidipine…

…Pneumocystis prophylaxis with high doses over a long period, according to the local protocol Psychiatric symptoms Sleep disturbance, hypomania, confusion. Commonest early on and at…

…Treatment with correction doses alone according to the glucose value, without basal insulin (a so called sliding scale), gives poorer control and is not recommended…

…Three short bursts of ventricular tachycardia occur. ECG 3. Repeated bursts of VT. ECG 4. There are now visible ST segment elevations and Q waves…

…the basal and mid parts of the posterolateral wall. As discussed previously, this part of the left ventricle is difficult to capture with the conventional…

…level of consciousness and circulation. 2. Give controlled oxygen with a target of 88 to 92 percent until the risk of hypercapnia has been assessed…

…and intensive care early with life threatening features or an inadequate response. First line treatment is oxygen in hypoxaemia, repeated doses of an inhaled short…

…Check the mask, remove air from the cuff so that it is flat with a slightly upturned leading edge, and lubricate the dorsal surface. 2…

…not an alternative to it. See the separate guide to joint aspiration and injection. Indications Condition Injection site Comment : : : Subacromial bursitis, rotator cuff syndrome The…

…is a cornerstone in managing patients with intracardiac shunts. By integrating anatomical measurements and Doppler hemodynamics, clinicians gain valuable insights into shunt severity and directionality…

…Headache. Flushing. Edema. Dizziness. Caution Should be used cautiously in patients with myocardial ischemia and/or heart failure. Nicardipine doses and administration in hypertension (hypertensive…

…patients with bundle branch blocks, the corresponding figure is 500 ms. The QT interval represents the time between the onset of ventricular depolarization and the…

…Patients with AF in the setting of ACS have more comorbidities and a higher risk of complications than patients without AF; both short and long…

…with poor short term prognosis, although early mortality is usually related to the extent of myocardial injury and its complications—shock, reinfarction, myocardial rupture, and…

…heart rate increases and vice versa. Thus, long cycles (i.e. long RR intervals) are associated with long refractory periods and short RR intervals have…

…type of stenosis. The patients with low flow (stroke volume index <35 ml/m²) and low gradient (<40 mmHg) displayed the worst prognosis. Adapted from…

…of the aortic bulb. The LMCA is short and branches into the two arteries supplying the anterior and left side of the heart, as follows:…

…Headache. Flushing. Edema. Dizziness. Caution Should be used cautiously in patients with myocardial ischemia and/or heart failure. Nicardipine doses and administration in hypertension (hypertensive…

…long axis. With regards to echocardiography, this implies that the following planes are used: short axis, vertical long axis, and horizontal long axis. These three…

…total time taken to depolarize and repolarize the ventricles ( Figure 1 ). The length of the QT interval correlates strongly with the risk of potentially life…

…ideal tracer, with a short half life (2 minutes), causing minimal radiation exposure. It is metabolically inert and diffuses freely across cell membranes, allowing for…

…that negative delta waves may simulate pathological Q waves (and thus be confused with previous myocardial infarction). ECG examples of pre excitation (short PR interval…

…parasternal short axis view. Pressure gradient and pressure half time (PHT) are also estimated using continuous Doppler. A dense regurgitant jet with rapid deceleration (short…

…half of the heart, it is important to familiarize yourself with the principles of hemodynamics and conditions prevailing on the right side. Echocardiography is the…

…sheets wrapping around the ventricle with varying orientation. This organization allows the left ventricle to contract in a highly sophisticated and effective way (Figure 1…

…several within a short period 24 to 72 hours Increasing autonomic hyperactivity and risk of complicated withdrawal 48 to 96 hours Delirium tremens with disorientation…

…A short course (no more than 7 days) may be given to selected patients with an eGFR of 30 40 mL/min for lower urinary…

…monitoring set: stiff, short tubing, a transducer, and a flush system with physiological saline in a pressure bag inflated to 300 mmHg , which provides a…

…It is used in the acute vestibular syndrome — continuous vertigo with spontaneous nystagmus, nausea and difficulty walking that has lasted hours to days — to distinguish…

…There must be a limb lead with an amplitude 5 mm and an amplitude 10 mm in some chest lead (otherwise low voltage is present…

…management , and both are predictable. Indications Inability to protect the airway: reduced level of consciousness, loss of pharyngeal reflexes, vomiting with a risk of aspiration…

…ulcers; everything else is supportive. But the same compression applied to a limb with arterial insufficiency can cause necrosis and, in the worst case, amputation…

…not to wakefulness. It has a short half life, and the patient must be monitored afterwards. Starting a modified release preparation before the daily requirement…

…the patient lie with the ear uppermost for 5 minutes after instillation. Procedure Otoscopy 1. Inspect the outer ear, the tragus and the area behind…

…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…

…retention with renal impairment or a large residual volume. A need for accurate measurement of urine output in a critically ill patient. Perioperatively and postoperatively…

…due to sinus pause or post VPC pause) results in augmentation of early afterdpolarization amplitude (typically seen with large T wave amplitude), and QT prolongation…

…Features associated with an unfavourable short term prognosis include: Tachycardia Low systolic blood pressure Respiratory insufficiency, manifested by tachypnoea and/or low arterial oxygen saturation…

…driven atherothrombosis, while interruption of antiplatelet therapy after recent stenting is associated with increased risk of major adverse cardiovascular events (MACE) and stent thrombosis. Premature…

…treatment has demonstrated cardiovascular benefit, although in younger individuals with low short term risk, lifetime benefit should be considered and discussed. Where blood pressure is…

…associated with recurrent symptoms, impaired quality of life, repeated hospital presentations and angiography, and increased short and long term adverse cardiovascular outcomes. Clinical Presentation and…

…is associated with serious short and long term outcomes. Its occurrence is associated with an approximately fivefold higher risk of periprocedural MI and a threefold…

…T wave. The U wave is most often seen in leads V2, V3 and V4. Individuals with prominent T waves display U waves more often

…injury in patients undergoing either procedure, and postprocedural cTnI elevation correlates with evidence of injury on cardiac magnetic resonance. Interpretation is more difficult when the…

…leads. The difference between the shortest and the longest QT interval is the QT dispersion. Increased QT dispersion is associated with increased morbidity and mortality…

…Hyperacute T waves are broad based, high and symmetric. Their duration is short; they typically disappear within minutes after a total occlusion in a coronary…

…due to sinus pause or post VPC pause) results in augmentation of early afterdpolarization amplitude (typically seen with large T wave amplitude), and QT prolongation…

…in aortic regurgitation 2D Echocardiography The images are acquired in PLAX (parasternal long axis view) and PSAX (parasternal short axis view), with the valve zoomed…

…with osteoblastic metastases, diminished calcium absorption and/or enhanced calcium excretion, chronic renal failure, pancreatic or bowel resections (leading to "short bowel syndrome"), parathyroid and…