…with rapid intestinal transit. Coffee ground vomiting is less specific than fresh haematemesis and can also be seen when the bleeding is slow or has…

…The atrial impulse must pass through the atrioventricular node, which delays the impulse due to its slow conduction, before the impulse may reach the ventricles…

…which transmit electrical impulses from the atria to the ventricles. Conduction through the AV node is intentionally slow (due to the low concentration of gap…

Enalaprilat Enalaprilat is rarely used in hypertensive crisis due to its slow onset, prolonged duration of effect, and significant individual variations in its effect. Drug…

…force. The methods that work best exploit time, gravity and slow movement; those that fail usually do so because the patient tenses up with pain…

…valve regurgitation Mild regurgiation Moderate regurgitation Severe regurgitation Pulmonary valve morphology normal normal/abnormal abnormal Density CW Doppler weak, slow deceleration variable dense, steep deceleration…

Arrhythmias and arrhythmology Emergency medicine Pharmacology & dosing Definition and Pathophysiology Bradycardia encompasses a spectrum of rhythm disturbances characterized by an inappropriately slow heart rate. Within…

…intravenous beta blocker Digoxin In heart failure or hypotension, or as an add on Slow onset. Dose reduction in renal failure and in old age…

…20–30 min Intradermal (ID) Tuberculin (PPD), skin prick testing, a local anaesthetic weal, BCG Slow, local effect Contraindications Absolute: Infection, a wound, scar tissue…

…fast offset kinetics Lidocaine , Mexiletine , Phenytoin Class IC Na + channel blocker with slow offset kinetics Flecainide, Propafenone Class II Beta adrenergic Blockers (antagonists) Atenolol, Carvedilol…