Next step after identifying pericardial tamponade on FAST exam
What is?
-Emergent pericardiocentesis
or
-Thoracotomy.
Airway maneuver contraindicated in suspected basilar skull fracture?
What is?
nasopharyngeal airway insertion
Two non-shockable rhythms in cardiac arrest
What is?
-Asystole
- PEA
Name the treatment for beta-blocker overdose that increases intracellular calcium
What is?
-Glucagon
Define sensitivity
What is?
- Probability that a test will be positive when the disease is present.
Components of the Cushing triad and what it suggests
What is?
-Hypertension, bradycardia, and irregular respirations
-Suggests increased ICP
Two indications for a cricothyrotomy in the ED
What is?
- inability to ventilate
- Inability to oxygenate
ECG findings suggestive of hyperkalemia
What is?
- Peaked T waves
- widened QRS
-sine wave pattern
Likely culprit for patient presenting with miosis, bradycardia, bronchorrhea, and confusion.
What is?
- Organophosphate poisoning
What statistical measure is most important when "ruling out" a life-threatening condition?
What is?
- High sensitivity (SnOUT)
Name two hard signs of vascular injury in penetrating trauma to the neck.
What is?
These are absolute contraindications to BIPAP and often require immediate consideration for endotracheal intubation? (2)
In a patient with chest pain and ST elevations in leads II, III and aVF, this coronary artery is most likely occluded.
What is
-Right coronary artery
Toxin exposure should suspected in a patient with bitter almond smell
What is?
-Cyanide poisoning
In a clinical trial, a p-value of <0.01 suggests what?
What is?
-A statistically significant difference with <1% probability that results are due to chance.
Serious abdominal injury you must rule out in a patient with blunt trauma and seatbelt sign (1)
What is?
-Bowel perforation/ hollow viscus injury
- Splenic rupture
- liver laceration
Describe the ventilator management strategy known as "lung protective ventilation" in ARDS
What is?
Low tidal volumes (~6 mL/kg ideal body weight), plateau pressure <30 cm H₂O.
This bedside maneuver can help differentiate supraventricular tachycardia from ventricular tachycardia and may restore sinus rhythm
What is
-Vasovagal maneuver
Stages of aspirin toxicity on ABG
What is?
-Respiratory alkalosis
followed by
- Anion gap metabolic acidosis
According to the Wells Criteria, what score is needed to classify a patient as "low risk" for DVT?
What is?
-≤0 points
most common site of bleeding causing hypotension in pelvic fractures
What is?
- Venus plexus injury
Early sign of impending respiratory failure on ABG in patients with asthma exacerbations
What is?
-Normal PaCO2
- Rising PaCO₂ (loss of respiratory drive/ability)
Define Wellens' syndrome and its significance
What is?
- Deeply inverted or biphasic T waves in V2-V3
- Signifies critical LAD stenosis.
Overdose that produces an anion gap metabolic acidosis and calcium oxalate crystals in urine
What is
-Ethylene GlycolWhat term describes the probability that a negative test truly rules out disease?
What is?
- Negative predictive value (NPV)