10/6/21 Flashcards
Miosis, big or small?
pinpoint pupils
What is antisocial personality disorder called in patients under the age of 18?
Conduct disorder.
Which syndrome can be precipitated by giving glucose before thiamine?
Wernicke encephalopathy
A brief resolved unexplained event (BRUE) is
a sudden event in infancy that involves cyanosis or pallor, absent, decreased or irregular breathing, hypertonia or hypotonia, and altered level of consciousness
*Management of infants who meet all of the criteria for a low risk BRUE do not require significant interventions or workup
What is the relationship between brief resolved unexplained events and sudden infant death syndrome?
There is no known association between brief resolved unexplained events and sudden infant death syndrome.
DDX: A congenital or acquired deficiency of the ADAMTS13 protein prevents the normal cleavage of von Willebrand factor, leading to intravascular microthrombi.
- thrombotic thrombocytopenic purpura (TTP)
- primary treatment proven to be effective in TTP is plasmapheresis-
What are three other emergent causes of microangiopathic hemolytic anemia besides TTP?
- Hemolytic uremic syndrome
- HELLP syndrome (hemolysis, elevated liver function tests, low platelets)
- disseminated intravascular coagulation.
Some things that distinguish ITP from TTP
Immune thrombocytopenia does not cause hemolytic anemia or neurologic symptoms
In intracerebral hemorrhage most guidelines suggest lowering blood pressure when?
-systolic pressure approaches 160-180 mm Hg
or
-MAP > 130 mm Hg
Treatment is blood pressure control (nicardipine)
What part of the cardiac conduction system conducts electricity the slowest?
The AV node
At least according to ROSH, which 2 ECG leads help you determine RBBB vs LBBB?
I and V1
What is the age-based formula for the maximum heart rate attributable to sinus tachycardia?
220 minus age in years.
What is the treatment for lidocaine toxicity?
Intravenous lipid emulsion therapy.
What is the name of the copper chelator
D-penicillamine
A mallet finger is characterized by
closed disruption of the distal extensor apparatus
often occurring when there is sudden forceful flexion of an extended finger
Treatment is volar splinting the DIP in extension