This is the ratio of FEV₁/FVC that is the threshold below which we confirm the diagnosis of COPD after bronchodilator administration.
What is less than 0.7?
This is the most common cause of mitral stenosis.
What is rheumatic heart disease?
This is the first-line diagnostic test for an upper GI bleed, used to identify and treat sources like ulcers, varices, or Mallory-Weiss tears.
What is an upper endoscopy, or esophagogastroduodenoscopy (EGD)?
This feature of a fungus would make it a dimorphic fungus.
What is yeast at body temperature and mold in the environment?
On a right heart catheterization, the diagnosis of pulmonary hypertension is confirmed with this number.
What is mPAP > 20?
This specific metric on spirometry helps stratify a patient's degree of COPD severity.
What is the FEV1?
These two components of the QRS complex (and its timing) help in building a framework for the differential diagnosis.
What are regularity and width?
This medication class, given IV, reduces the risk of rebleeding in upper GI bleeds, especially from peptic ulcers (mostly by stabilizing platelets).
What are proton pump inhibitors (PPIs)?
Findings of white lesions that can be scraped off in a patient's oropharynx, without other obvious causes, should prompt evaluation for this underlying disease.
What is HIV?
These are the three components that are used to risk stratify patients with PE.
What is hemodynamic stability, biomarker elevation and imaging evidence of RV dysfunction?
Aside from tailor O2 therapy, these three classes of medications form the cornerstone of acute COPD exacerbation management.
What are short-acting bronchodilators + systemic corticosteroids + antibiotics?
"Oops! I Did It Again" is an iconic single from this chaotic artist.
Who is Britney Spears?
"I keep bleeding, keep bleeding love" are lyrics from this artists 2007 chart-topping hit.
Who is Leona Lewis?
Who are Steve Martin and Martin Short?
This team should be activated for patients with intermediate-high or high risk PE.
What is the pulmonary embolism response team (PERT)?
This blood cell count can help decide whether to escalate stable COPD therapy from dual bronchodilation to triple therapy (including ICS), especially in patients with frequent exacerbations.
What is the eosinophil count?
This is the classic murmur associated with mitral stenosis.
An opening snap followed by a low-pitched, rumbling diastolic murmur.
For patients with an upper GI bleed and an underlying diagnosis of cirrhosis, these two additional therapeutic treatments should be administered promptly.
What are octreotide and ceftriaxone?
While climate change is altering its distribution, this disease tends to present in patients who are immunosuppressed living in or with recent travel to the Ohio and Mississippi river valleys.
What is histoplasmosis?
According to the WHO classifications for pulmonary hypertension, group 4 pulmonary hypertension is due to this etiology.
What is chronic thromboembolic pulmonary hypertension (CTEPH)?
These two artists collaborated to create the track for after which is this category is named.
Who are NAV and Gunna?
These are the 5 causes of a regular, narrow complex tachycardia.
1. Sinus tachycardia
2. Atrial tachycardia
3. AVNRT/AVRT
4. Atrial flutter
5. Junctional tachycardia
Reserved for refractory bleeding as a bridge to TIPS, this intervention carries high complication risks and should be used for no more than 24 hours, requiring ICU-level monitoring.
What is balloon tamponade (Sengstaken–Blakemore or Minnesota tube)?
This patient, with a hx of poorly controlled diabetes, who presents with worsening nasal congestion should initially be treated urgently with this medication.

What is amphotericin?
This is the name of the Japanese bullet train, a high-speed rail network known for its speed and punctuality.
What is the Shinkansen?