21 results
Hyperkalemia on EKG
"Mild" Hyperkalemia
 • Peaked, narrow-based T Waves
 • Double counting of HR by EKG
Hyperkalemia on ... EKG "Mild" Hyperkalemia ... QRS widening • Sinus ... of conduction block ... #EKG #ECG #electrocardiogram
Sinus pause/arrest vs Sinoatrial Block

#cardiology #diagnosis #ekg #ecg #electrocardiogram #sinuspause #sinoatrialblock
Sinus pause/arrest ... vs Sinoatrial Block ... diagnosis #ekg #ecg #electrocardiogram
Bradycardia Diagnostic and Management Algorithm

CONSIDER ETIOLOGY (not inclusive): 
 - STRUCTURAL: sick sinus, AV block, ischemia,
STRUCTURAL: sick sinus ... , AV block, ischemia ... THREATENING CAUSES & TREATMENT ... Electrolytes (hyperkalemia
Bradycardia - Differential Diagnosis Framework

BRADI Mnemonic
 • BRASH/Hyperkalemia
 • Reduced oxygen/Glucose/Temp
 • ACS
 • Drugs
 •
Mnemonic • BRASH/Hyperkalemia ... BRASH Syndrome - Hyperkalemia ... Abscess • Sick sinus ... surgery • Heart block ... Athletes • Carotid sinus
Approach to ECGs - Tachy/Bradyarrhythmias
Tachyarrhythmias - HR > 100
Wide
  (1) VT - DANGER
  (2)
DANGER (2) Sinus ... Regular (1) Sinus ... HR < 60 (1) Sinus ... bradycardia (2) Sick Sinus ... EKG #diagnosis #electrocardiogram
The 4 Variants of Sinus Arrhythmia
Phasic Sinus Arrhythmia:
 • The rate increases with respiration and decreases
4 Variants of Sinus ... Arrhythmia Phasic Sinus ... Non-phasic Sinus ... presence of AV block ... diagnosis #ekg #ecg #electrocardiogram
Beta Blocker Side Effects / Toxicity
Cardiac Side Effects:
 • Sinus bradycardia, AV block, Heart failure exacerbation,
Side Effects: • Sinus ... bradycardia, AV block ... Facilitation of hyperkalemia
Summary of Heart Blocks
1st Degree Heart Block:
 • Prolonged PR >200ms (5 small squares).
 • Narrow
• No Treatment ... No Treatment. ... ) • Treatment: ... , wide QRS • Treatment ... Diagnosis #EKG #electrocardiogram
Atrioventricular Blocks (AV blocks) - ECG Diagnosis Summary
First Degree AV Block
 • The P wave is
• During sinus ... • In sinus rhythm ... or slowing of sinus ... atrioventricular #blocks #AVBlock ... ecg #diagnosis #electrocardiogram
The 4 Variants of Sinus Arrhythmia
Phasic Sinus Arrhythmia:
 • The rate increases with respiration and decreases
4 Variants of Sinus ... Arrhythmia Phasic Sinus ... Non-phasic Sinus ... presence of AV block ... diagnosis #ekg #ecg #electrocardiogram