This is the recommended initial diuretic dose for patients presenting with decompensated heart failure on chronic diuretic.
What is 2 to 2.5 times the home dose?
Name 3 specific triggers of Guillain Barre.
What are
Infections: Campylobacter jejuni, CMV, HIV, influenza, COVID-19
Vaccinations: rarely associated (e.g. RSV vaccine)
Physiologic stressors: Trauma or surgery
Medications: tacrolimus, immune checkpoint inhibitors
This is the initial treatment for stable, regular, narrow complex tachycardia.
What is a vagal maneuver?
In metabolic alkalosis, this urine study differentiates saline responsiveness from saline unresponsiveness.
What is urine chloride?
<20 suggests saline responsive (diarrhea, vomiting)
>20 suggests saline unresponsiveness (excess minderalocorticoid deficiency or Barter/Gitelman syndromes)
This well known American cyclist won multiple Tour De Frances despite being diagnosed with testicular cancr in the middle of his career but his awards were rescinded due to the controversial use of performance enhancing drugs.
Who is Lance Armstrong?
This is sometimes a complication (pictured here) of classic Takotsubo cardiomyopathy as well as other types of cardiomyopathies due to apical ballooning/stunning/akinesis.
What is a left ventricular thrombus?
This finding differentiates upper versus lower motor neuron facial nerve injury.
What is forehead palsy (inability to wrinkle forehead)?
This is the initial bolus dose of amiodarone in VT/VF cardiac arrest.
What is 300 mg?
This serologic study should be sent prior to testing for celiac antibodies to prevent a false negative result.
What is serum total IgA?
If deficient, anti-tissue tranglutaminase IgA and endomysial IgA may be falsely negative.
This well known tennis champion developed Müller-Weiss syndrome (MWS), spontaneous osteonecrosis and progressive fragmentation of the tarsal navicular bone, leading to significant periods away from the game during his highly successful career.
HINT: He grew up on a island.
Who si Rafael Nadal (The GOAT)?
This is the highest risk demographic group for developing Takotsubo cardiomyopathy.
What is postmenopausal women?
This MRI finding supports the diagnosis of GBS when CSF findings are inconclusive.
What is cauda equina nerve root enhancement (more commonly anterior nerve root enhancement)?
DAILY DOUBLE
These are the H's and T's of cardiac arrest etiologies.
What are

Name three indications for surgical management of infective endocarditis.
What is
- Acute heart failure due to valvular regurgitation
- Fistula
- Heart block
- Abscess
- Difficult to treat pathogen
- Persistent fever or bacteremia >/= 7 days
- Systemic emboli despite being on correct antibiotics
- Left-sided vegetation > 1 cm with embolic event
This former basketball icon wears size 22 shoes, played for 5 different NBA teams (Orlando Magic, Cleveland Cavaliers, Miami Heat, Phoenix Suns, and Boston Celtics), and has spoken openly about the use of GLP-1s for his obstructive sleep apnea.
Who is Shaquille O'Neal?
Peripartum cardiomyopathy presents in the third trimester (>36 weeks) and up to this point following delivery.
What is 5 months?
DAILY DOUBLE
These two clinical features differentiate Miller Fisher syndrome from classic Guillain Barre syndrome.
What are opthalmoplegia and ataxia?
Slightly different than Bickerstaff brainstem encephalitis (BBE) variant that also has ENCEPHALOPATHY
1 mg atropine can be administered every 3-5 minutes until you reach this maximum dose.
What is 3 mg?
3 consecutive doses
Typically ineffective for blocks that originate below the AV node (ie. Mobitz II and complete heart block)
These are the 3 first line tests for diagnosing Cushing syndrome.
What are late-night salivary cortisol, 24-hour urinary free cortisol, and 1 mg (low dose) dexamethasone suppression test?

Muhammad Ali was diagnosed with this movement disorder following a very successful boxing career.
What is Parkinson's Disease?
This trace mineral deficiency is responsible for a dilated cardiomyopathy that is formally known as Keshan's Disease, which is most common in China due to soil deficiency.
What is selenium?
This is the classic IgG anti-ganglioside antibody associated with Miller Fisher syndrome (Hint: neurology sometimes orders this).
What is anti-GQ1b Ab?
This is the initial shock energy amount (in Joules) recommended by the AHA for synchronized cardioversion of atrial fibrillation and atrial flutter.
What is 200 J?
Hepatopulmonary syndrome is differentiated from portopulmonary hypertension by this test.
What is a TTE bubble study?
HPS is characterized by the dilation of pulmonary capillaries and therefore bubbes will be seen in the left side of the heart.
PPH is characterized by pulmonary arterial remodeling and subsequent pulmonary hypertension, meaning no bubbles should reach the left side of the heart because capillaries remain intact.
Lionel Messi was diagnosed with this deficiency as a teenager, requiring treatment with daily injections.
What is Growth Hormone deficiency?
He was 4 foot 4 at age 9 and was still the same height at age 11.