General critical care -ACCS exam Questions and Answers Best rated A+ Guaranteed Success Latest Update

What is the thyromental distance? - Measurement of the distance between the upper edge of the thyroid cartilage to the chin, while the neck is completely extended. Thyromental distance: what indicates a suspected difficult intubation? - Less than 6 cm Thyromental distance: what suggests a non-problematic intubation? - 7 cm or greater What type of x-ray should you use to determine proper position of an endotracheal tube? - AP x-ray What type of x-ray is helpful in detecting pleural effusions? - Lateral decubitus The description "concave superior border or interface" describes what? - A pleural effusion What type of x-ray is helpful and spotting internal issues such as masses, blebs, or lesions? - Oblique x-ray On x-ray, where should the end of the endotracheal tube be positioned? - 2-5 cm above the carina On x-ray, where should the central venous catheter be positioned? - The tip should rest in the right atrium or vena cava On x-ray, where should the pulmonary artery catheter be positioned? - The tip should be over the right lower lung field What type of diagnostic imaging is used to detect the functionality of organs? - PET scan What is the gas the patient breathes during a V/Q scan? - XenonOn V/Q scan, what do dark areas of the lungs indicate? - Absence of ventilation in that area On V/Q scan, the description "wedge shaped" indicates what? - A clot What is considered normal work of breathing? - 0.5-0.7 J/L Three key criteria for brain death - 1. Unresponsiveness 2. Absence of reflexes 3. Presence of apnea Normal stroke volume - 50-100 mL Normal ejection fraction - 50-70% The best lead to determine the left ventricle status - V5 The best lead to determine overall electrical condition of the heart - Lead II Hypertrophy will cause an axis deviation in what direction? - In the direction of the hypertrophy, usually to the left, as in CHF If tissues are infarcted or dead, the axis will deviate where? - Away from the infarcted tissue