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 Less than 6 cm
difficult intubation?
Thyromental distance: what suggests a non-problematic 7 cm or greater
intubation?
What type of x-ray should you use to determine proper AP x-ray
position of an endotracheal tube?
What type of x-ray is helpful in detecting pleural Lateral decubitus
effusions?
The description "concave superior border or interface" A pleural effusion
describes what?
What type of x-ray is helpful and spotting internal issues Oblique x-ray
such as masses, blebs, or lesions?
On x-ray, where should the end of the endotracheal tube 2-5 cm above the carina
be positioned?
On x-ray, where should the central venous catheter be The tip should rest in the right atrium or vena cava
positioned?
On x-ray, where should the pulmonary artery catheter be The tip should be over the right lower lung field
positioned?
What type of diagnostic imaging is used to detect the PET scan
functionality of organs?
What is the gas the patient breathes during a V/Q scan? Xenon
On 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 A clot
what?
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
, General Critical Care -ACCS Exam
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 Lead II
the heart
Hypertrophy will cause an axis deviation in what In the direction of the hypertrophy, usually to the left, as in CHF
direction?
If tissues are infarcted or dead, the axis will deviate Away from the infarcted tissue
where?
Myocardial ischemia is what? A current lack of oxygen to the cardiac muscle.
Myocardial ischemia shows as what on an EKG? Flipped T waves
Myocardial injury is what? Cardiac tissue currently dying
How does Myocardial injury present on EKG? Elevated ST segments
Myocardial infarction is what? Dead cardiac tissue, old or fresh
How does myocardial infarction present on EKG? Profound Q waves
Normal CVP range 2-6 mmHg
Normal PAP 25/8 mmHg or 14
Normal PCWP (pulmonary capillary wedge pressure) 4-12 mmHg or 8 mmHg
Where is the best place to get a mixed venous sample? PAP