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diagnosis differential cardiology ecg ekg electrocardiogram syncope antiarrhythmics bradycardia management pharmacology anemia hematology pathophysiology summary tachycardia approach arrhythmias atrioventricular blocks
Pacemaker Placement Indications Class I: • Third degree block • Advanced 2nd degree block • Symptomatic Mobitz
Placement Indications Class ... Class II: • Mobitz ... LBBB with syncope Class ... arrest, prolonged PR ... • Reversible causes
Summary of Heart Blocks 1st Degree Heart Block: • Prolonged PR >200ms (5 small squares). • Narrow
• Prolonged PR ... Treatment 2nd Degree, Mobitz ... • Prolonged PR ... . 2nd Degree, Mobitz ... HeartBlocks #Types #Classification
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
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 1 - Sodium Channel Blockers: • MOA: Block fast Na+ channels
Vaughan Williams Classification ... depolarization • ↑ PR ... velocity) - ↑ PR ... #Pharmacology #Classification ... #Classes #pathophysiology
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 ... atrioventricular #blocks #AVBlock ... electrocardiogram #classification
Hemolysis Classification - Intrinsic and Extrinsic Causes Commentary: Another way to think of immune hemolysis would be
Hemolysis Classification ... and Extrinsic Causes ... autoimmune (most of the causes ... Differential #Diagnosis #Causes ... #Algorithm
Antiarrhythmics Pharmacology Summary Cardiac Conduction Phases: Phase 0 - Ventricular Depolarization: • Na+ channels open leading to a
Vaughan Williams Classification ... depolarization • ↑ PR ... velocity) - ↑ PR ... #Pharmacology #Classification ... #Classes #pathophysiology
Causes of Anemia by Mean Corpuscular Volume (MCV) - Differential Diagnosis Algorithm Low Mean Corpuscular Volume (<80
Causes of Anemia ... Differential Diagnosis Algorithm ... #Anemia #MCV #Classification ... Differential #Diagnosis #Algorithm ... #Causes #Hematology
Hypokalemia Differential Diagnosis Algorithm Low intake • poor oral intake Renal loss • Medication • Hypomagnesemia •
Differential Diagnosis Algorithm ... Differential #Diagnosis #Algorithm ... #Causes #Classification
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