Articles & courses

Articles
Assessing left ventricular systolic function

…systolic function and their combined use allows for careful mapping of systolic function. It is important to be familiar with the advantages and disadvantages of…

Eye examination and corneal foreign body

…With a suspected chemical injury the priorities are reversed: irrigate first , for at least 30 minutes, and measure the pH in the conjunctival sac before…

Peripheral venous cannula and intraosseous access

…a transparent dressing, an extension set with a three way tap, and saline for flushing. An intraosseous drill system with needles in three lengths: short…

Spirometry

…many laboratories and spirometers still use it as a benchmark. 6. A maximal inspiration back to TLC to close the flow volume loop — the in

Assessment of diastolic function by echocardiography

…duration for equalizing the pressure difference between the left atrium and the left ventricle. The deceleration time is prolonged in conditions leading to a delayed…

Blood transfusion and massive haemorrhage

…Standard for planned transfusion in a patient without irregular red cell antibodies Serological crossmatch (MG test) Serological crossmatching between the recipient's plasma and the…

Oesophageal ECG

…is thereby displayed in the V5 channel on the printout. 3. Set the filter: a frequency range of about 15–40 Hz , and adjust the…

Tissue Doppler (Tissue Velocity Imaging)

…machine filters out all other reflected sound waves, such that only those representing myocardium are recorded. Pulsed tissue Doppler Pulsed tissue Doppler uses a sample…

The ECG leads: Electrodes, limb leads, chest (precordial) leads and the 12-Lead ECG

…An ECG lead is a graphical description of the electrical activity of the heart and it is created by analyzing several electrodes. In other words…

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