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Dengue
Dengue is the most common and important arthropod-borne viral (arboviral) illness in humans. It is transmitted by mosquitoes of the genus...
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Traumatic Brain Injury (TBI)
Overview Definition Traumatic brain injury (TBI) is a nondegenerative, noncongenital insult to the brain from an external mechanical...
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Pediatric Advanced Life Support (PALS): Asystole/Pulseless Electrical Activity (PEA)
PALS: Pediatric Arrest 1. The initial evaluation is as follows: [1, 2, 3, 4] Activate emergency response system. Initiate pediatric basic...
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Interpreting Diagnostic Tests
What are diagnostic tests? A diagnostic test can be defined as ‘any kind of medical test performed to aid in the diagnosis or detection...
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Supraventricular Tachycardia in Pediatric Patient With Wolff-Parkinson-White Syndrome
This ECG was obtained from a 13-year-old boy who had previously been in NSR. At that time, he was diagnosed with Wolff-Parkinson-White...
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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...
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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...
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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. ...
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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...
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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...