60+ träffar

ArticleProcedurer
Abscess incision and drainage

…surgeon Close to large vessels, in the groin or on the neck Bleeding, vascular injury, pseudoaneurysm Surgeon, ultrasound first Other situations that argue for the…

ArticleProcedurer
Lumbar puncture

…advanced. An introducer for the atraumatic needle — it is too soft to pass through the skin on its own. Local anaesthesia: lidocaine 10 mg/mL…

ArticleProcedurer
Wound suturing

…has not been inspected to its depth, and has not been assessed for tendon and nerve injury will heal badly however neatly the suture is…

ArticleProcedurer
Nasogastric tube

…Lubricate the outermost 10–15 cm of the tube. 4. Advance the tube perpendicular to the face, parallel to the floor of the nose — that…

ArticleProcedurer
CPAP and non-invasive ventilation (NIV)

…in steps of 2–3 cmH₂O every 5–10 min towards 20–25 cmH₂O according to tolerance and pCO₂ SpO₂ 88–92% Obesity hypoventilation Bilevel…

ArticleProcedurer
Oxygen therapy

…with a reservoir 10–15 L/min 60–90 % For acute severe hypoxaemia. Fill the bag before applying the mask Venturi mask 2–15 L…

ArticleCPR
Cardiac arrest due to hypoxia and asphyxia

…and progress to asystole. Shockable rhythms (ventricular fibrillation [VF], ventricular tachycardia [VT]) are uncommon in hypoxic cardiac arrest, as evidenced by the fact that only…

ArticleEchocardiography
Left ventricular diastolic function

…filling. When the aortic valve closes, the left ventricular myocardium begins to relax and ventricular pressure drops rapidly (Figure 2). The initial relaxation is isovolumetric …

ArticleArrhythmias and arrhythmology
Sinus arrhythmia (respiratory sinus arrhythmia)

…respiratory sinus arrhythmia both refer to the same phenomenon. Sinus arrhythmia fulfill all criteria for sinus rhythm except from the fact that the rhythm is…

ArticleProcedurer
Soft tissue corticosteroid injection

…hypersensitivity to the preparations. Relative: Poorly controlled diabetes — expect a raised blood glucose for 2–5 days. Suspected or known tendon rupture. No response to…

ArticleEchocardiography
Pulsed Wave Doppler

…The longer the distance, the more time required for sound waves to travel back and forth, which results in lower pulse repetition frequency (fewer ultrasound…

ArticleEchocardiography
Color Doppler

…is useful for detecting valvular regurgitation and defects in the atria or ventricles (Figure 2). In addition, color Doppler can be used to align the…

ArticleECG
Interpretation of Pacemaker ECG

…follows ECG tracings demonstrating these aspects. Figure 2. Atrial pacing with normal conduction to the ventricles via the AV system. The ventricles are depolarized via…

ArticleMyocardial ischemia and infarction
Posterior acute myocardial infarction (STEMI)

Myocardial ischemia and infarction ECG Posterior (posterolateral) acute myocardial infarction (STEMI) The heart is rotated 30° to the left in the thorax. This positions the…

ArticleEchocardiography
Continuous Wave Doppler (CW Doppler)

…spectral curve (Figure 2), which is explained by the fact that all velocities (from zero to maximum) are recorded along the Doppler line. Figure 2…

ArticleCPR
Causes of sudden cardiac arrest

…highly stochastic events. This is due to the fact that the vast majority of these arrests are caused by ventricular arrhythmias (ventricular tachycardia, ventricular fibrillation…

ArticleEchocardiography
Pericardial Effusion & Cardiac tamponade

…itself may consist of serous fluid (transudate), protein rich fluid (exudate) to pure blood (exudate). Often pericardial effusion is detected randomly (for example, in CT…

ArticleEchocardiography
Tissue Doppler (Tissue Velocity Imaging)

…is fixed to the diaphragm via pericardium and connective tissue. Therefore the apex does not move much during the cardiac cycle, despite the fact that…

ArticleGastroenterologi & hepatologi
Upper gastrointestinal bleeding: quick reference

…haemorrhage protocol in uncontrolled bleeding, shock or a rapid transfusion requirement 10 With impaired consciousness, an inability to protect the airway, or ongoing major haematemesis…