10 results
Pacemaker Placement Indications
Class I:
 • Third degree block
 • Advanced 2nd degree block
 • Symptomatic Mobitz
Placement Indications Class ... • Symptomatic Mobitz ... I or II • Mobitz ... II: • Mobitz II ... arrest, prolonged PR
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 ... Class I (Ia, Ib ... rate and prolongs PR ... rate and prolongs PR ... VaughanWilliams #Classification
Hyperparathyroidism classification
Different causes and features of hyperparathyroidism - raised parathormone (PTH).

#Diagnosis #Hyperparathyroidism #Differential #Primary #Secondary #Tertiary
Hyperparathyroidism classification ... Different causes ... Secondary #Tertiary #Comparison ... #Table #Classification
Antiarrhythmics - Vaughan Williams Classification:
CLASS 1 - Sodium Channel Blockers:
 • MOA: Block fast Na+ channels
Vaughan Williams Classification ... : CLASS 1 - Sodium ... depolarization • ↑ PR ... velocity) - ↑ PR ... #Pharmacology #Classification
Atrioventricular Blocks (AV blocks) - ECG Diagnosis Summary
First Degree AV Block
 • The P wave is
PR interval ... Block Type I aka Mobitz ... There is constant PR ... • The PR interval ... electrocardiogram #classification
Antiarrhythmics Pharmacology Summary
Cardiac Conduction Phases:
Phase 0 - Ventricular Depolarization:
 • Na+ channels open leading to a
Vaughan Williams Classification ... : CLASS 1 - Sodium ... depolarization • ↑ PR ... velocity) - ↑ PR ... #Pharmacology #Classification
Generalized Seizures and Pseudoseizures
Generalized seizures "are conceptualized as originating as some point within, and rapidly engaging,
and metabolic causes ... Pseudoseizures #GrandMal #Classification ... Signs #Symptoms #Comparison
Summary table of types of hypersensitivity reactions. 
Type 1
 - Mediators: lgE
 - Antigen Form: Soluble
Allergen-specific lgE causes ... allergy #table #classification ... #comparison
Differentiating NBTE from Infective Endocarditis
No pathognomonic signs/symptoms or echo features that are specific to NBTE, and
in up to 30% of cases ... Echocardiographic features: Mobile ... #Endocarditis #comparison