I started working on MD on Call at the end of my first year of residency while I was still fresh from the steep learning curve of that demanding year. During that year, I had struggled with many little things that I never thought would become an issue. How do you replace calcium? At what point do you ask for an ECG in a patient with hypokalemia? “Can you come and pronounce patient in room 1004?” — How am I supposed to do that?? I bought an “On Call” book, but it wasn’t “to the point”. I don’t want to read a book at 2AM. I just want to get things done.
I also noticed that the more senior residents often create a similar guide, which they photocopy and distribute to their friends. Those guides are often difficult to get a hold of and they tend to include copyrighted material, meaning that they can’t be widely distributed. I wanted to create a better tool, and have it available to as many junior docs as possible.
Benoit, a childhood friend who already had a few apps on the App Store, offered to partner with me to build an iPhone App with the material. This was the beginning of a great working relationship.
Many people helped me get Version 1 on the way and I’m grateful to this day that they contributed to my project. Shortly after the launch, the App was featured by Apple on the main page of the App Store and by iMedicalApps.com, the respected medical app review site.
More than 25 000 people around the world now trust MD on Call and I routinely get great feedback from doctors around the world.
MD on Call was created to help junior residents / interns on their first nights on call. It’s designed to provide you with just the right amount of medical information while allowing you to stay efficient so you can assess the next patient on your list. Here’s the story of why I created MD on Call.
Second block: general internal medicine. I had received the call schedule for that block. I was on the first Saturday, covering for three teams. The first day on, I realized I hadn’t done “real medicine” in more than 6 months! My last electives of medical school were Psych, some Rad Onc. and studying, then vacation.
I had only four patients on my list (the seniors were very nice to me; they would take their own patient!). My third patient was admitted for hematuria and multiple comorbidities. I got a call from his nurse: his potassium was 2.8. I thought to myself “this is quite low… I know I can’t replace K+ “too quickly”… But how quick is too quick? Is 2.8 reasonable for PO replacement?? Should I get an EKG??? Is MY patient ok? Is he going to DIE??
He seemed fine, lying in his bed, his two-way Foley doing its job. It had been some time since I last wrote an order for K-dur, but I thought to myself “but I’d like something faster. I sure don’t want MY patient to have an arrhythmia because I didn’t replace his K+ fast enough.” and then the inevitable “Damn, I can’t even replace potassium without freaking out! How will I survive my first night on call! Oh well, we’ll see on Saturday!”
I decided to do an EKG “just to check”. I ordered it (paper chart) and flagged the order as I was instructed to do. Two minutes later I get a call from the unit clerk: “The EKG tech is gone; it’s after four. You have to do it yourself” MYSELF?? I have to do an EKG? How do I set up the leads? I remember seeing a quick schematic when I was learning about EKGs, but it’s been a few years. It was the first time I worked in a hospital without 24h access to an EKG tech. Oh well; Dr Google to the rescue!
After I finally got that EKG, I realized I didn’t remember the features of hypokalemia on an EKG. I mean, I remembered a few, like prolonged QT, but not the fine details. I remembered it for the exam, but it was then quickly out of my mind. At that time, the hospital didn’t have access to UpToDate, so I had to ask another resident to show me the hypokalemia page. Half an hour of reading and I had my answer. I felt stupid that it took me so long to find that piece of information. I would have been able to find it within 2 minutes using my book, but it was on my desk, at home.
The EKG was fine — no ST depression, prolonged QT… The patient’s K+ renormalized. Everyone was happy except me - my pride was injured!
The next morning, I went to sign in rounds at 7:45 as usual. Interesting cases and free coffee. A few minutes later, I walked by one of the nursing station to see “Tonight for team A, B, C: Dr Plourde” on the whiteboard. I thought to myself “Interesting! Another Plourde in the hospital, also on internal medicine!” Then I had a look at the pager number below the name. It was mine.
Surprise! It’s Wednesday. I thought my first night on call was going to be Saturday. Panic!!
My senior was kind enough to cover me while I walked home to get my glasses and a toothbrush. This was going to be a long night.
5:05 PM: first call:
Nurse: “Hi it’s Linda, Mrs. Smith’s nurse from Davies 4 ICU”.
Me in my head: “No one ever told me I was covering the ICU!”
Me: “Hi! How can I help you?”
Nurse: “Mrs. Smith is shaking like I’ve never seen anyone shake. She says she’s ok though, and her vitals are stable”.
Me: “So it’s not a seizure?”
Nurse: “No, it really doesn’t look like a seizure, but it’s weird”.
Me: “Ok, I’ll go have a look”.
Poor Mrs. Smith. She was an older lady. I don’t remember her age, but I remember her face like it was yesterday. She was wearing the super comfortable bi-pap mask, her cheeks puffing with the flow of the machine, and she was shaking like you wouldn’t believe. I asked her if she was ok. She says, “Yes, I’m fine” with a big smile, her voice muffled by the large mask. Her O2 sat was fine; she was fine. I sat down to have a look at her chart when my pager went off. I have a quick look at the pager and it goes off again. This was going to be a long night.
It turns out Mrs. Smith had had a lot of Ventolin that day. It took me a while to figure that one out.
My first night on call was relatively smooth. Didn’t sleep much, but it’s part of the game I guess.
Fourth night on call: I get a call that a patient is bradypneic at around 6 breaths per minute, O2 sat in the low 80s. Patient is receiving high dose opioids for chronic pain and the day team recently increased her hydromorphone. Patient was unarousable. I knew I had to be extra careful with naloxone, so I thought to myself “I’ll give the smallest dose and wait a few minutes. Naloxone is supposed to work fast. We’ll see”. Well it turns out that the smallest dose recommended by the manufacturer is about 10x as much as experienced physicians use in similar cases. Sure enough, Mrs. Doyle woke up a few seconds later. I said to her:
“Hi Sir! How are you doing?”
“Did you just call me sir?” She said, amused.
In my defense, Mrs. Doyle had bilat BK amputations, was obese, diabetic and on chronic prednisone so that her beard (ahem cushinoid features) hid her womanly features. I knew naloxone wouldn’t reverse her condition for too long and that she would have to be monitored to some extent, but at least now, she was awake with O2 sats in the 90s.
After a quick assessment, I went back to the Nursing Station to write a quick note. A few seconds later, I heard Mrs. Doyle screaming. She was in atrocious pain. I knew naloxone is a non-competitive opioid receptor antagonist, meaning that you can’t displace it from the receptor by giving more opioids. You just have to wait. It was horrible. I called my senior and we tried everything we could. After 30 minutes of screaming, she settled. We spent a quite a lot of time that evening titrating the diluted naloxone for Mrs. Doyle. I thought about what happened that night over and over again. We learn by making mistakes and I learned a lot that evening.
Towards the end of my first year, I was again doing general internal medicine. I was post call and it was 12:45 PM the next day. I remember because I was hungry and tired and I needed a shower. That was before the newer work hour restrictions. One of our team’s fourth year medical students was treating a younger woman with metastatic breast cancer who had been admitted with pain. The patient was in a pain crisis at that point with her teenage daughter and husband watching as the scene unfolded. That poor medical student was frightened, understandably. She knew she wanted to give some IV opioids, but which one? How much?
I had already dealt with a few pain management issues and I knew how to approach the problem. A few minutes after 10 mg IV morphine, the patient was feeling much better. That gave us enough time to re-evaluate her pain medication and order the investigations to try to find the reason for the sudden pain crisis (pathological spine fracture - no spinal cord compromise).
I thought to myself: “That medical student is almost finished her training and she’s a “good one” (we all know what that means) and she wasn’t able to handle that crisis. Granted, it wasn’t an easy situation with the family standing around on top of everything else, but something needs to be written to help us during those first few months of practice”.
After that year, I started writing what would become MD on Call. A lot of friends and colleagues helped me get the content just right. Now that MD on Call has reached Version 4, its ongoing success keeps reminding me of the importance of helping junior docs go through this difficult period of training.
I hope you’ll enjoy using the app; especially at 3:15 AM ;-)
Have thoughts to share — email me Marc-Emile@messil.com
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