Articles & courses

ArticlesShow all 144
Left atrial enlargement (P mitrale) & right atrial enlargement (P pulmonale) on ECG

…a common cause (Figure 1). The duration of the P wave will exceed 120 milliseconds in lead II. Biatrial abnormality/enlargement Biatrial abnormality implies that…

Acute Limb Ischaemia: Recognition and Urgent Management

…limb ischaemia (ALI) is an abrupt reduction in arterial perfusion of an upper or lower limb that causes tissue metabolic requirements to exceed available blood…

Ankle-brachial index (ABI)

…the dorsum of the foot lateral to the extensor hallucis longus tendon. Measure in the same way as on the arm. 4. Posterior tibial artery …

Deceased donor organ donation

…is also what makes the decision hold afterwards. Organ preserving treatment — treatment given solely for the sake of the donation — may continue for at m

Empirical antibiotic therapy: quick reference for common infections

…pregnant adult of normal weight, and individual assessment. See the separate quick reference for dosing in impaired renal function. Respiratory tract Diagnosis Agent Dose Duration …

🟠 QTc Interval Calculator (Bazett’s, Fridericia’s, Hodge's and Framingham Formulas)

…Upper limit 440–460 ms 430–450 ms 450–470 ms Prolonged 460 ms 450 ms 470 ms Table 1 . Reference intervals for QTc duration…

Cardiac troponin I (TnI) and T (TnT): Interpretation and evaluation in acute coronary syndromes

…higher the troponin level and the longer the duration of elevated troponin levels. Differences in absolute concentrations of troponin I and T during acute myocardial…

Chest Pain in the Emergency Department: Diagnostic Pathways

…may understate the possibility of ischaemia. A focused history should establish: Quality of the discomfort. Location and radiation. Onset and temporal pattern. Duration and recurrence…

Chronic Coronary Syndrome: Diagnosis and Initial Evaluation

…characteristics of angina; many patients report less characteristic symptoms, while others present primarily with exertional dyspnoea. Symptoms should be characterized systematically, including: Onset and duration…

Long QT (QTc) interval, long QT syndrome (LQTS) & torsades de pointes

…suggested to calculate corrected QT intervals. Some of these formulas follow: Bazett's formula for calculating corrected QT duration (QTc). Bazett Formula: QTc = QT…

Media

No matches.

Tools