19 results
Summary of Heart Blocks
1st Degree Heart Block:
 • Prolonged PR >200ms (5 small squares).
 • Narrow
• Treatment: Pacemaker ... • Treatment: Pacemaker ... #HeartBlocks #Types ... #Classification ... summary #Diagnosis #EKG
Atrioventricular Blocks (AV blocks) - ECG Diagnosis Summary
First Degree AV Block
 • The P wave is
Type I aka Mobitz ... type II (aka Mobitz ... atrioventricular #blocks #AVBlock ... #cardiology #ekg ... electrocardiogram #classification
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 ... antiarrhythmic drugs Pacemaker ... sI RVH RBBB TypE ... hypertrophy Sinus pause ... EarlyRepolarization #DiffuseSTelevation
Approach to ECGs - Tachy/Bradyarrhythmias
Tachyarrhythmias - HR > 100
Wide
  (1) VT - DANGER
  (2)
- w/ variable block ... 200ms from longer pause ... - ventricular pacemaker ... bradyarrhythmia #ECG ... #EKG #diagnosis
Shock - Differential Diagnosis by Classification
Reflex Syncope 
 - Vasovagal syncope
   • Prolonged standing
Differential Diagnosis by Classification ... • AV block ... Medication side effect (e.g ... Differential #Diagnosis #Classification ... #Table #Causes
Causes of Anemia by Mean Corpuscular Volume (MCV) - Differential Diagnosis Algorithm
Low Mean Corpuscular Volume (<80
Causes of Anemia ... Differential Diagnosis Algorithm ... Chronic Disease (e.g ... #Anemia #MCV #Classification ... #Causes #Hematology
Cryoglobulinemia Summary

Cryoglobulins:
 • Cryoglobulins are Igs in the serum that precipitate in vitro at temperatures below
• They can cause ... Cryoglobulins Cause ... Types: • Type ... tissue disorder (e.g ... #classification
Causes of Lactate Elevation, Lactic Acidosis - Differential Diagnosis

The most common causes of hyperlactatemia are usually:
Causes of Lactate ... by excretion (e.g ... its metabolism (e.g ... #typea #typeb # ... classification
Syncope - Differential Diagnosis Algorithm
Neurocardiogenic:
 • Vasovagal
 • Orthostatic Hypotension
 • Autonomic Neuropathy
 • Situational (micturition,
Differential Diagnosis Algorithm ... /3rd degree AV Block ... • Pacemaker ... Differential #Diagnosis #Algorithm ... #causes
Hyperglycemia - Differential Diagnosis Algorithm
Diabetes Mellitus:
 • Impaired Glucose Tolerance
 • Type I Diabetes
 • Type
Differential Diagnosis Algorithm ... Tolerance • Type ... I Diabetes • Type ... Hyperglycemia (e.g ... endocrinology #causes