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Coronary Anatomy and Segmental Classification for the Clinician

…malignant than anomalous origin of the right coronary artery. High risk anatomical features include: An interarterial course between the aorta and pulmonary artery A slit…

Injection technique — intramuscular, subcutaneous and intradermal

…L) — choose the subcutaneous route if possible, otherwise give IM with a fine needle and 5 minutes of compression. Anticoagulant treatment is not in itself…

Casting and immobilisation

…Immobilisation after reduction of a dislocation. Immobilisation of a ligament injury, a tendon injury, or after suturing over a joint. Pain relief and stabilisation for…

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

…The first half of the P wave is therefore a reflection of right atrial activation and the second half is a reflection of left atrial…

Overview of the ECG Waves, Deflections, Intervals, Durations

…left ventricle is usually considerably larger than the right ventricle, the QRS complex is actually a reflection of the electrical potentials generated by the left…

Technical aspects of the ultrasound image

…image of the tissue, the ultrasound machine must overcome the following technical obstacles. The ultrasound machine must know which sound waves are reflected and from…

ECG interpretation: Characteristics of the normal ECG (P-wave, QRS complex, ST segment, T-wave)

…left ventricle is many times larger than the vector generated by the right ventricle, the QRS complex is actually a reflection of left ventricular depolarization…

Brugada Syndrome: Diagnosis & SCD Prevention

Cardiology Introduction Since its initial description in 1992 as a syndrome of right bundle branch block, ST segment elevation, and sudden cardiac death (SCD), Brugada…

Diuretic Strategy and Decongestion in Heart Failure

…venous outflow and persistent right sided congestion may be important mechanisms. Diuretics relieve the hemodynamic consequences of congestion by producing a negative sodium and water…

P-wave, PR interval, PR segment: physiology, criteria & ECG findings

…The first half of the P wave is therefore a reflection of right atrial depolarization and the second half is a reflection of left atrial…

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