59 results
Summary of Heart Blocks
1st Degree Heart Block:
 • Prolonged PR >200ms (5 small squares).
 • Narrow
1st Degree Heart Block ... Mobitz I Heart Block ... Complete Heart Block ... • Block in AV ... narrow QRS • Block
Bradycardia Diagnostic and Management Algorithm

CONSIDER ETIOLOGY (not inclusive): 
 - STRUCTURAL: sick sinus, AV block, ischemia,
and Management Algorithm ... sick sinus, AV block ... THREATENING CAUSES & TREATMENT ... #Bradycardia #Algorithm
Second Generation Antipsychotics: Mechanisms and Side Effects
(Atypical Anti-Psychotics) - Examples: Clozapine, Olanzapine, Quetiapine, Risperidone, Zotepine, Paliperidone,
considered 2nd line treatment ... Receptor Antagonism - Block ... Receptor Antagonism - Block ... MI Antagonism - Block ... Receptor Antagonism - Block
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
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
Fever vs Hyperthermia
Fever:
 • Regulated in the hypothalamic thermoregulatory center
 • "Set point" raised by prostaglandin
• Antipyretics block ... production • Treatment ... antipyretics to block ... Serotonin syndrome • Treatment ... diagnosis #management #treatment
“Step by Step” – the new kid on the block – aims to risk stratify this
new kid on the block ... investigations and treatments ... components of the algorithm ... Infant #StepByStep #Algorithm
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