MRCP ROAD - PACES

The problem was not simply a thrombus inside a coronary artery. The problem was: The wall of the aorta itself was dissecting. Giving thrombolysis in this situation could cause catastrophic bleeding, worsen haemorrhage or precipitate cardiac tamponade, turning a critical surgical emergency into a disaster. This patient needed: Immediate cardiothoracic surgical involvement Not blind thrombolysis. ⸻ 🎬 Scene 8 — The Teaching Round Later, the consultant asked the residents: “What would be wrong if I told you the diagnosis was myocardial infarction?” One of them replied: “But he actually did have an MI.” The consultant smiled. “Exactly.” Then he wrote on the board: A correct diagnosis is not always the complete diagnosis. He continued: “The problem is not always that you made the wrong diagnosis.” “Sometimes the problem is that you found a correct diagnosis too early…” “…and stopped looking for the cause.” Then he wrote: Aortic Dissection ↓ Coronary Involvement ↓ Acute Myocardial Infarction ↓ Cardiogenic Shock He circled the first line. “If you treat only the end of the chain…” “You may kill the patient because you never saw where the chain began.” ⸻ ☀️ When Should You Think of Aortic Dissection? Especially when acute chest pain is accompanied by one or more of the following: ☀️ Abrupt onset / pain maximal at onset ☀️ Pain radiating to the back ☀️ Pulse deficit or blood pressure differential ☀️ New aortic regurgitation murmur ☀️ Neurological deficit ☀️ Syncope ☀️ Unexplained shock ☀️ Features of cardiac tamponade ☀️ Acute coronary syndrome with features that simply don’t fit ⸻ ☀️ Lessons Learned ☑ Do not automatically assume that shock + chest pain = massive PE. ☑ Do not allow ST-segment or ischaemic ECG changes to automatically close your thinking at myocardial infarction. ☑ Ask about the onset and character of the pain. Ten seconds of history can completely change the treatment. ☑ Check peripheral pulses and blood pressure in both arms when feasible and when doing so does not delay resuscitation. ☑ Use bedside echocardiography as part of the rapid assessment of an unstable patient, while remembering that the absence of obvious echocardiographic findings does not exclude aortic dissection. ☑ Stanford Type A aortic dissection is a surgical emergency. ☑ Suspected aortic dissection completely changes the decision regarding antithrombotic and thrombolytic therapy. ⸻ 🎯 Final Message The most dangerous diagnosis in the Emergency Department… is not always the diagnosis you failed to consider. Sometimes it is the diagnosis for which you found convincing evidence… and then stopped thinking. He had a myocardial infarction. He was in cardiogenic shock. Both were true. But the most important truth was hiding one step further back: Aortic Dissection So when the clinical picture does not completely fit… don’t ask only: “What is happening?” Also ask: “What caused it to happen?” Because the first answer may tell you what is happening to your patient… but the second may be the answer that saves their life. Dr. Mohamed Osama