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diagnosis differential cardiology ecg ekg electrocardiogram management antiarrhythmics bradycardia hyperkalemia neurology peds pharmacology anemia arrhythmias ddxof em hematology hypokalemia im
Pacemaker Placement Indications Class I: • Third degree block • Advanced 2nd degree block • Symptomatic Mobitz
Placement Indications Class ... Class II: • Mobitz ... Class Ill: • Syncope ... arrest, prolonged PR ... • Reversible causes
Summary of Heart Blocks 1st Degree Heart Block: • Prolonged PR >200ms (5 small squares). • Narrow
Summary of Heart Blocks ... • Prolonged PR ... Treatment 2nd Degree, Mobitz ... . 2nd Degree, Mobitz ... HeartBlocks #Types #Classification
Differential Diagnosis of Syncope First, is it syncope? History is very important for distinguishing syncope from other
First, is it syncope ... from other causes ... Common causes of ... #Causes #Differential ... #Algorithm #Ddxof
Antiarrhythmics - Vaughan Williams Classification: CLASS 1 - Sodium Channel Blockers: • MOA: Block fast Na+ channels
Vaughan Williams Classification ... depolarization • ↑ PR ... velocity) - ↑ PR ... #Pharmacology #Classification ... #Classes #pathophysiology
Shock - Differential Diagnosis by Classification Reflex Syncope - Vasovagal syncope • Prolonged standing
Differential Diagnosis by Classification ... bradycardia • Sinus pauses ... • AV block ... Differential #Diagnosis #Classification ... #Table #Causes
Atrioventricular Blocks (AV blocks) - ECG Diagnosis Summary First Degree AV Block • The P wave is
• PR interval ... Type I aka Mobitz ... type II (aka Mobitz ... There is constant PR ... electrocardiogram #classification
Causes of Syncope #Diagnosis #EM #IM #Neuro #Syncope #Differential #Algorithm #Ddxof
Causes of Syncope ... EM #IM #Neuro #Syncope ... #Differential #Algorithm
Syncope - Differential Diagnosis The percentage of syncopal events secondary to arrhythmias or structural disease is generally
Syncope - Differential ... percentage of syncopal ... Sick sinus, AV block ... Others Non-syncopal ... differential #diagnosis #causes
Approach to ECGs - Tachy/Bradyarrhythmias Tachyarrhythmias - HR > 100 Wide (1) VT - DANGER (2)
1º - long PR intervals ... 200ms from longer pause ... 2º - Mobitz I ... successively longer PR ... II / Mobitz - ,
Antiarrhythmics - Vaughan Williams Classification Class I (Ia, Ib, Ic) - Na+ Channel Blockade • Slows depolarization
Vaughan Williams Classification ... rate and prolongs PR ... rate and prolongs PR ... VaughanWilliams #Classification ... #Classes #cardiology
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