9/29/21 Flashcards
S1Q3T3
An S wave in lead I, and a Q wave and inverted T wave in lead III
associated with right heart strain
anterior spinal cord syndrome
just the posterior columns are preserved
PE will show loss of motor, pain, and temperature below injury
Proprioception and vibration intact
Most commonly caused by flexion injury
What is the classic laboratory abnormality associated with valproic acid toxicity?
Hyperammonemia
What are the three Ws of normal pressure hydrocephalus?
Wet (urinary incontinence)
wacky (cognitive changes)
wobbly (gait instability)
Wernicke encephalopathy symptoms
Confusion
Ataxia
Ocular abnormalities
Normal Pressure Hydrocephalus LP opening pressure
CSF buildup in ventricles
Typically normal ICP (but can have elevated ICP)\
LP: normal opening pressure
What findings on abdominal X-ray are consistent with the diagnosis of AAA?
X-ray may reveal calcification of a dilated, aneurysmal aorta
What syndrome is most commonly seen in men of Asian descent and associated with sudden cardiac death secondary to ventricular fibrillation?
Brugada syndrome.
Ventricular Fibrillation
Notable feature: uncoordinated, disorganized electrical activity
go look up a picture
At what gestational age is the uterus palpable at the umbilicus?
20 weeks
Which nerve is at risk of being severed during an ED thoracotomy?
Phrenic nerve.
Which value has greater influence on the mean arterial pressure, the diastolic or systolic blood pressure?
Diastolic blood pressure.
A MAP of approximately ____________ is necessary to perfuse the coronary arteries, brain, and kidneys.
60 mm Hg
bidirectional ventricular tachycardia
look up a picture
asc w/ digoxin
What is the classic visual change of digoxin toxicity?
Yellow-green chromatopsia.
