14 results
Summary of Heart Blocks
1st Degree Heart Block:
 • Prolonged PR >200ms (5 small squares).
 • Narrow
1st Degree Heart ... • Treatment: Pacemaker ... • Treatment: Pacemaker ... #HeartBlocks #Types ... #Classification
Pacemaker Placement Indications
Class I:
 • Third degree block
 • Advanced 2nd degree block
 • Symptomatic Mobitz
Pacemaker Placement ... Class I: • Third degree ... 2nd degree block ... • Reversible causes ... BrighamMedRes #Pacemaker
Atrioventricular Blocks (AV blocks) - ECG Diagnosis Summary
First Degree AV Block
 • The P wave is
Block Type I aka ... Block type II ( ... by a junctional pacemaker ... an infra-Hisian pacemaker ... electrocardiogram #classification
Syncope - Differential Diagnosis Algorithm
Neurocardiogenic:
 • Vasovagal
 • Orthostatic Hypotension
 • Autonomic Neuropathy
 • Situational (micturition,
Differential Diagnosis Algorithm ... • 2nd/3rd degree ... AV Block ... • Pacemaker Malfunction ... #causes
LAD
IWMI
LAHB
RAD
[PHB
RVH
Lateral wall infarct
Lead reversal
Dextrocardia
Wide ORS
RBBB - terminal delay
[BBB
IVED
WPW = delta wave
Hyperkalemia
Type l antiarrhythmic drugs
Pacemaker
ST elevation
Early repolarization
Hyperkalemia Type ... sI RVH RBBB TypE ... hypertrophy Sinus pause ... Sinus arrest SA block ... EarlyRepolarization #DiffuseSTelevation
The Diagnostic Approach to Hyperkalemia
Drugs
 - Amiloride
 - Spironolactone
 - Triamterene
 - Trimethoprim
 - Pentamidine
 -
inhibitors Other causes ... I, type II - ... NSAlDs - Beta-Blockers ... #Hyperkalemia #Algorithm ... #differential #causes
Arrhythmias - Differential Diagnosis Algorithm

Bradyarrhythmia (<60 bpm)
 • Sinus Bradycardia
 • Sick Sinus Syndrome
 • SA
Differential Diagnosis Algorithm ... Syndrome • SA Block ... • AV Block (ISt ... /2nd /3rd degree ... #causes
Type 2 Diabetes - Screening, Diagnosis and Management Algorithm
Lifestyle  Modifications (Diet and Exercise) -> Start
Type 2 Diabetes ... and Management Algorithm ... >= 40 • 1st degree ... • Secondary Causes ... #DM2 #DMII #Classification
Causes of Syncope - Differential Diagnosis Algorithm
Cardiac - Arrhythmia:
 • Tachyarrhythmia
 • Bradyarrhythmia
 • Supraventricular Tachycardia
Causes of Syncope ... Differential Diagnosis Algorithm ... • Second/Third Degree ... Atrioventricular Block ... #Causes
Hyperkalemia - Diagnosis and Management - GrepMed Handbook

S/Sx: Most pts asymptomatic. Weakness, cramping, nausea, paresthesias, palpitations,
Weakness, cramping, nausea ... ARBs, NSAIDs, β-blockers ... Aldosterone, RTA Type ... T, flat P, ST depress ... only if no clear cause