Statistically Impossible
Oh look!
Blood and other things
Hospitalist Lane
You are what you eat
100

Proportion of negative results that are true negative results

Negative predictive value (NPV)

100

Systemic disease most commonly associated with arteriovenous nicking

Hypertension

100

Linear cytoplasmic inclusions in blasts suggestive of acute myelogenous leukemia

Auer rods

100

Blood pressure above which thrombolytics are contraindicated in acute ischemic stroke

185/110

100

Most commonly used serum marker for hepatocellular carcinoma

AFP

200

A test's ability to designate a person without a disease as negative

Specificity

200

Yellow protein and lipid deposits in macular degeneration

Drusen

200

Vitamin derivative used in treatment of acute promyelocytic leukemia

 All-trans retinoic acid (ATRA)

200

Iterative four-step approach to change that is often used in quality improvement initiatives

Plan-Do-Study-Act (PDSA) cycle

200

Initial medical therapy for primary biliary cholangitis

Ursodeoxycholic acid (UDCA, ursodiol)

300

Positive likelihood ratio of 5 increases the probability of disease by approximately this amount

 30 percent

300

 Ocular finding of redness without exudate that can occur with leptospirosis

Conjunctival suffusion (subconjunctival hemorrhage, circumcorneal conjunctival congestion, and chemosis)

300

Enzyme whose low plasma levels support the diagnosis of thrombotic thrombocytopenic purpura

ADAMTS13

300

Direct oral anticoagulant with the lowest risk of gastrointestinal bleeding

Apixaban

300

Diabetes medication class shown to improve nonalcoholic steatohepatitis (NASH) irrespective of weight loss

Glucagon-like peptide-1 (GLP-1) agonists

400

Eponymous ratio of the likelihood of one particular hypothesis to the likelihood of another

Bayes factor (Bayesian model comparison)

400

Eye drop that causes blood vessel blanching in episcleritis used to differentiate it from scleritis

Phenylephrine

400

Condition characterized by an elevated myeloblast count and symptoms of decreased tissue perfusion

Leukostasis syndrome (symptomatic hyperleukocytosis)

400

Drug of choice for the first episode of nonfulminant Clostridioides difficile colitis based on 2021 IDSA guidelines

Fidaxomicin

400

The most common cause of lymphocytic gastritis

Celiac disease

500

Nonparametric statistic used to estimate the survival function from lifetime data

Kaplan-Meier estimator (Kaplan-Meier, Kaplan-Meier curve, or product limit estimator)

500

Vitamin deficiency associated with Bitot's spots

Vitamin A

500

Complement-mediated red blood cell destruction diagnosed by absence of CD55 and CD59 on flow cytometry

Paroxysmal nocturnal hemoglobinuria

500

Preferred anticoagulant in patients with severe renal impairment and HIT

Argatroban

500

Eponymous stratification tool that identifies upper GI bleeding patients who are “low risk” and candidates for outpatient management  

Glasgow-Blatchford score

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