38 results
Atrioventricular Blocks (AV blocks) - ECG Diagnosis Summary
First Degree AV Block
 • The P wave is
First Degree AV Block ... bundle branch block ... Second Degree AV Block ... lengthens, there is shortening ... High-grade AV Block
Second Degree AV Block Type I aka Mobitz I / Wenckebach 
 • Normal P waves.
Second Degree AV Block ... lengthens, there is shortening ... Second #Degree #AVBlock
Reduction of Anterior Shoulder Dislocation

This young man presented to the ER with a Shoulder Dislocation. He
Interscalene Nerve Block ... #physicalexam #msk
Pudendal Neuralgia
• Pudendal nerve arises from S2-S4 roots and innervates perineal structures
• Nerve is prone to
provide a nerve block ... pudendal nerve block ... Diagnosis #Radiology #MSK
EKG Interpretation Cheat Sheet
1) Rate 
 - Regular - Count-Off 
 - Irregular - Count number
interval ≥ 120 ms ... Interval: • 1° Block ... >200ms • 2° Block ... loss of P • 2° Block ... • 3° Complete Block
Arrhythmias - Differential Diagnosis Algorithm

Bradyarrhythmia (<60 bpm)
 • Sinus Bradycardia
 • Sick Sinus Syndrome
 • SA
Differential Diagnosis Algorithm ... Syndrome • SA Block ... • AV Block (ISt ... Differential #Diagnosis #Algorithm
The JT Interval and Pro-Arrhythmic Risk
Measured from the J-point to the end of the T-wave, the
Bundle Branch Block ... Bundle Branch Block ... with QRS ≥120 ms
Mobitz II heart block is characterized on a surface ECG by intermittently nonconducted P waves not
Mobitz II heart block ... followed by PR shortening ... describing Mobitz II blocks
Renal Tubular Acidosis - Differential Diagnosis Algorithm
Decreased Serum K, Urine pH < 5.5 - Proximal RTA
Decreased
Differential Diagnosis Algorithm ... - Drugs that block ... Differential #Diagnosis #Algorithm
Bradycardia Diagnostic and Management Algorithm

CONSIDER ETIOLOGY (not inclusive): 
 - STRUCTURAL: sick sinus, AV block, ischemia,
and Management Algorithm ... sick sinus, AV block ... #Bradycardia #Algorithm