60+ träffar

ArticleCPR
Sudden cardiac arrest: Case 5

CPR ECG 1 . Sinus rhythm interrupted by polymorphic VT. ECG 2 . Polymorphic VT. ECG 3 . Polymorphic VT progresses to ventricular fibrillation (VF). ECG 4 . Polymorphic…

ArticleKunskapsbas
🟠 1-2-3-LQTS Risk Calculator

…introduced the 1 2 3 LQTS Risk model, a validated tool designed to estimate the 5 year risk of life threatening arrhythmic events in individuals…

ArticleProcedurer
Edrophonium test

…be secured. Preparation and equipment Edrophonium 10 mg/mL, 1 mL (named patient product — order well in advance). Atropine 0.5 mg for premedication, plus…

ArticleProcedurer
Cryotherapy of skin lesions

…cycles Margin : : : : Actinic keratosis, thin 5–10 s 1 1–2 mm Actinic keratosis, hypertrophic 10–15 s 2 2 mm Verruca vulgaris 10–20…

ArticleReferensvärden
ECG parameters

Referensvärden The normal values below apply to adults in sinus rhythm, recorded at a paper speed of 50 mm/s with 1 mV = 10…

ArticleProcedurer
Urinary catheterisation

…printed on the catheter , usually 10 mL in adults. Do not use saline — the salt can crystallise and block the valve. The material determines how…

ArticleKunskapsbas
🟠 Clevidipine

…Time to onset of action 2 4 minutes Duration of action 5 15 minutes Delivery IV (infusion). Dose Initial dose: 1 2 mg/h iv…

ArticleKunskapsbas
🟠 Left and right atrium

…1 3.2 ATRIAL AREA LA area, cm2 <20 20–30 30–40 40 <20 20–30 30–40 40 ATRIAL VOLUMES LA volume, mL…

ArticleKunskapsbas
🟠 Left ventricular diastolic function

Diastolic function Criteria Normal, young Normal, adult Abnormal relaxation (grade 1 dysfunction) Pseudonormal (grade 2 dysfunction) Reversible restrictive filling (grade 3 dysfunction) Irreversible restrictive filling…

ArticleKunskapsbas
🟠 Metoprolol

…minutes Duration of action 5 to 8 hours Delivery IV Dose 1.25 to 5 mg IV followed by 2.5–15 mg IV every…

ArticleKunskapsbas
🟠 Phentolamine

…Dose Bolus injection : 5 to 15 mg every 5 to 15 minutes as necessary. Continuous infusion: Start infusion at 0.1 mg/min and increase…

ArticleKunskapsbas
🟠 Tricuspid valve

…small,, < 10 mm length, narrow origin variable large, wide origin Ratio pulmonic to aortic flow normal variable significantly increased References 1. Zoghbi, William A.…

ArticleCardiology
Cardiac amyloidosis

…particularly the low flow, low gradient phenotype, or those undergoing aortic valve replacement [1, 5, 10]. A history of increasing frequency of hospitalizations and visits…

ArticleCardiology
Coronary CT Angiography and CAD-RADS Reporting

…low dose, approximately 1–2 mSv, while contemporary combined coronary, pulmonary, and aortic angiography can achieve less than 5 mSv in appropriate settings. Clinical Presentation…

ArticleCPR
Sudden cardiac arrest: Case 2

…Each recording presents two leads recorded simultaneously. Sex : Male Age : 43 years History : None Medications : None ECG 1 . Sinus rhythm interrupted by rapid ventricular tachycardia…

ArticleCPR
Sudden cardiac arrest: Case 3

…arrhythmias. Medications : beta blockers ECG 1 . Sinus rhythm interrupted by ventricular tachycardia (VT). ECG 3 . Ventricular fibrillation (VF). ECG 4 . Ventricular fibrillation (VF). ECG 5 …

ArticleCPR
Sudden cardiac arrest: Case 7

CPR ECG 1 . The underlying rhythm is atrial fibrillation, which is interrupted by polymorphic ventricular tachycardia (VT). ECG 2 . Polymorphic ventricular tachycardia. ECG 3 . Spontaneous…

ArticleLungmedicin
Acute exacerbation of COPD: quick reference

…NIV is being considered. 4. Give short acting bronchodilators. 5. Give a systemic corticosteroid if the exacerbation is more than mild. 6. Assess the indication…

ArticleLungmedicin
Acute severe asthma in adults: quick reference

…of ventilatory failure means life threatening illness [1,2]. Important interpretation of the blood gas A normal or rising pCO₂ during an ongoing severe asthma…

ArticleNeurologi
Acute stroke and thrombolysis: quick reference

…there is a discrepancy or uncertainty. Intravenous thrombolysis within 4.5 hours improves functional outcome in properly selected patients. Tenecteplase 0.25 mg/kg is…

ArticleProcedurer
Ankle-brachial index (ABI)

…ABI = highest ankle pressure in that leg ÷ highest arm pressure of the two arms Interpretation ABI Interpretation Action : : : 1.40 Incompressible vessels — medial sclerosis…

ArticleReferensvärden
Anthropometric measurements

…3600) m². Normal adult 1.6–2.0 m². Nutritional screening Unintentional weight loss 5 % over three months or 10 % over six months, a BMI…

ArticleReferensvärden
Circulatory and haemodynamic parameters

…Lactate < 1.6 mmol/L Clearance over time is more informative than a single value Urine output 0.5 mL/kg/h Normal echocardiographic…

ArticleReferensvärden
Common laboratory tests

…5.0 mmol/L Targets are governed by the total risk, not by the reference range LDL < 3.0 mmol/L Target < 1…

ArticleAkutsjukvård
Delirium in older adults: quick reference

…deprivation, urinary retention or a new sedative drug, for example — may be enough to precipitate the condition [1,2]. Delirium is common but often missed…

ArticleProcedurer
Drugs in the emergency setting

…Fluid 500–1,000 mL Ringer's acetate rapidly 20 mL/kg Nebulised adrenaline 2 mg neb for stridor 2 mg neb Salbutamol 5 mg…

ArticleReferensvärden
Echocardiography

…stenosis (AS) Disease defining parameters Mild stenosis Moderate stenosis Severe stenosis Valve area (cm²) 1.5 1.0 1.5 < 1.0 Normalized val

ArticleReferensvärden
Intensive care parameters

…chronic hypertension or when there are signs of inadequate perfusion Urine output 0.5 mL/kg/h Lactate Falling A clearance 10 % per 2 h…

ArticleProcedurer
Joint aspiration

…1.2 × 50 mm for large joints (knee, shoulder), 0.5–0.6 × 25 mm for small joints (wrist, finger joints). A 20–50 mL…

ArticleReferensvärden
Liver parameters

…Mild Moderate–severe Encephalopathy None Grade 1–2 Grade 3–4 Class A = 5–6 points, B = 7–9, C = 10–15…

ArticleReferensvärden
Lung function and respiration

…Since 2022 the z score with a lower limit of normal at z = −1.64 (the fifth percentile) has been recommended in preference to…