152 results
Premature Ventricular Complexes (PVC's) - Summary Framework

Why PVCs?  Can be the first manifestation of cardiac
arrhythmia syndromes (e.g ... heart disease Causes ... Bundle branch block ... 300 = NSVT EKG ... full compensatory pause
Sinus pause/arrest vs Sinoatrial Block

#cardiology #diagnosis #ekg #ecg #electrocardiogram #sinuspause #sinoatrialblock
Sinus pause/arrest ... vs Sinoatrial Block ... cardiology #diagnosis #ekg ... #ecg #electrocardiogram
Anatomical Differential Diagnosis for Arrhythmias
 • SA node: Sinus bradycardia, Sick Sinus Syndrome (SSS)
 • AV
rhythm, Conduction blocks ... system: Conduction blocks ... Contractions (PACs ... Contractions (PVC ... Differential #Diagnosis #Causes
Atrioventricular Blocks (AV blocks) - ECG Diagnosis Summary
First Degree AV Block
 • The P wave is
(AV blocks) - ECG ... group-beating" on the ECG ... PAC or PVC, acceleration ... AVBlock #cardiology #ekg ... #ecg #diagnosis
Deep T Wave Inversions - Differential
Normal variants 
  A. Juvenile T wave pattern
bundle branch blocks ... bundle branch block ... Differential #Diagnosis #Causes ... #Cardiology #ECG ... #EKG #Electrocardiogram
Bradycardia Diagnostic and Management Algorithm

CONSIDER ETIOLOGY (not inclusive): 
 - STRUCTURAL: sick sinus, AV block, ischemia,
and Management Algorithm ... sick sinus, AV block ... - TOX: beta-blockers ... LIFE THREATENING CAUSES ... #Bradycardia #Algorithm
Common sodium channel blockers which cause QRS widening.

Anticonvulsants: 
 - Carbamazepine 
Antidysrhythmics:  
 - Group
sodium channel blockers ... which cause QRS ... Amantadine Beta Blockers ... QRS #widening #ECG ... #EKG #Pharmacology
The 3 Fates of a Premature Atrial Complex
 • PAC can be conducted with normal QRS
• PAC can be blocked ... #PACs #cardiology ... #diagnosis #ekg ... #ecg #electrocardiogram
Causes of Splenomegaly - Differential Diagnosis Algorithm
Infectious
 • Bacterial
 • Viral (EBV)
 • Parasitic
 • Fungal
Congestive
Causes of Splenomegaly ... Differential Diagnosis Algorithm ... • Thrombus (e.g ... Differential #Diagnosis #Algorithm ... #Causes #Hematology
Treatment of Stable Narrow-Complex Tachycardia
Regular Rhythm:
 • Attempt vagal maneuvers
 • Give adenosine 6 milligrams IV
Control rate (e.g ... Treat underlying cause ... Control rate (e.g ... Treat underlying cause ... management #cardiology #algorithm