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The Waiting Room: 7 Health Numbers, Explained by a Doctor
New
8 students

The Waiting Room: 7 Health Numbers, Explained by a Doctor

BP, A1c, cholesterol, leg swelling, the 180/120 rule, snoring and Ask Me 3, plus one sentence to say at your next visit
Created bySchamma Salomon
Last updated 9/2026
English

What you'll learn

  • Explain what blood pressure, A1c, fasting glucose, LDL and ApoB actually measure, and what each one cannot tell you
  • Tell the difference between swelling in both legs and swelling in one leg, and know which one needs same-day care
  • Apply both halves of the 180/120 rule: when a high reading means rest and re-measure, when it means the same-day clinician, and when it means 911
  • Describe the snoring pattern worth reporting (pauses, gasps, daytime sleepiness) in one sentence a clinician can act on
  • Use the three Ask Me 3 questions and the teach-back method to leave every appointment with a diagnosis, a plan and a reason
  • Bring one written page to your next visit: seven numbers, seven sentences, in your own handwriting

Course content

3 sections • 9 lectures • 37m total length

  • Welcome: one number a day, one sentence to say2:12

    How the course works, how to use the seven sentences, and the two rules that never change: education only, and the emergency rule (911).

Requirements

  • No medical background needed. A notebook and a pen for the seven sentences.
  • This course is general education, not medical advice; it does not replace your own clinician.

Description

This course contains the use of artificial intelligence. The lessons were written by Dr. Schamma Salomon, MD, FACP, and the slides are narrated by a synthetic voice.

Almost everyone has had their blood pressure taken. Almost nobody has been told what the number is a measurement of. The same is true of an A1c, an LDL, a swollen ankle, or the loud snoring a partner complains about: people are handed a number, and then they either panic or shrug. Neither is useful.

The Waiting Room is a short course from a board-certified Internal and Vascular Medicine physician that fixes that in one number a day. Each lesson takes four to five minutes. It explains one mechanism (what the number actually measures and what it cannot), gives one worked example from an ordinary clinic day, labels exactly one opinion as an opinion, and ends with one sentence you can say out loud at your next appointment. Write the seven sentences on one page and bring it. That page changes the conversation.

What the seven days cover:

Day 1: blood pressure is an average, not a moment (and why a week of home readings beats one clinic reading).

Day 2: A1c versus fasting glucose, a memory versus a snapshot, and why one abnormal result is not a verdict.

Day 3: LDL weighs the cargo, ApoB counts the trucks, and why two people with the same LDL can carry different risk.

Day 4: one swollen leg versus two, the comparison that outranks any measurement, and when swelling is same-day care.

Day 5: the two halves of the 180/120 rule, the one most people only half remember.

Day 6: the sleep detail worth reporting is the silence, not the noise.

Day 7: the three questions that work in every appointment you will ever have, and the teach-back that makes them stick.

Every lesson carries the same two lines on purpose: this is general education and not medical advice, it does not diagnose you or replace your own clinician, and you should never start, stop or change a medicine because of a video; and if you ever have chest pain, trouble breathing, weakness or numbness on one side, trouble speaking, a change in vision, confusion, fainting or coughing up blood, you do not need a lesson, you need 911 or your local emergency number.

The course is free, sells nothing, and names no product. Sources are the 2025 AHA/ACC blood pressure guideline, the CDC, the NIH (NHLBI and NIDDK), the Mayo Clinic, the Cleveland Clinic, the Institute for Healthcare Improvement's Ask Me 3 program and AHRQ's teach-back toolkit; each lesson lists them.

Who this course is for:

  • Adults who have been handed lab results or a blood pressure reading and were never told what the numbers measure
  • Anyone preparing for a check-up who wants to ask better questions in a fifteen-minute appointment
  • Family members and caregivers who help an older relative manage blood pressure, diabetes or leg swelling
  • Spanish-speaking learners are welcome: the lessons are in English; the same material exists in Spanish on the instructor's website

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