ECG Basics: Third-degree AV Block, Complete Heart Block
This rhythm strip shows third-degree AV block, also called complete heart block or complete AV block. The P waves are from the sinus...
Atrial Fib To Cardiac Arrest
A paramedic crew responded to the office of a local physician. A 61-year-old male presented with a one-week history of chest pain and...
Understanding the Oxygen Dissociation Curve
What is the oxygen dissociation curve? The oxygen dissociation curve is a graph that plots the proportion of haemoglobin in its...
Normal 12-Lead ECG
This ECG is nearly completely normal. We say "nearly" because there are VERY subtle changes which may or may not be chronic. ...
Wide-complex Tachycardia: Ventricular Tachycardia
This ECG is from a man who was experiencing palpitations and light-headedness with near-syncope. On first look, you will see a...
Wide Complex Bradycardia in Digitalis Toxic Patient
This ECG is from a female patient who presented with weakness. Her labs revealed digitalis toxicity and hyperkalemia. Actual lab values...
Protocol d’atenció inicial al pacient amb lesió medul·lar aguda traumàtica
Tipus de lesions vertebrals El coll té més mobilitat espontània i, per tant, tolera una certa angulació moderada, de manera que la regió...
Deep, Symmetrical T Wave Inversions
This ECG is from a 50-year-old man with chest pain. Unfortunately, we don’t have any other clinical information. This tracing is a...
Torsades de Pointes
Torsades de pointes is a specific form of polymorphic ventricular tachycardia that occurs in the presence of prolongation of the QT...
Atrial Flutter
This nice example of atrial flutter offers many teaching opportunities. "Sawtooth" flutter waves are readily visible in Leads II, III,...