10 results
Hyperkalemia shortens repolarization; changes in the T wave provide the earliest clues to hyperpotassemia.
 - At
prolonged PR and QT ... to 12.0 mEq/L, ventricular ... #Hyperkalemia #EKG ... #ECG #Changes # ... Progression #Table
Approach to ECGs - Tachy/Bradyarrhythmias
Tachyarrhythmias - HR > 100
Wide
  (1) VT - DANGER
  (2)
Approach to ECGs ... 200ms from longer pause ... Distal AV block - ventricular ... bradyarrhythmia #ECG ... #EKG #diagnosis
Cardiac Stress Testing
Exercise:
 • Everyone who can exercise should!
 • They must be able to raise
• They must be able ... production to cause ... Contraindications: - Bradycardia ... Contraindications: Pts with ventricular ... arrythmias Diagnostics: EKG
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 ... #algorithm
Palpitations - Differential Diagnosis Framework

What?
• It is an unpleasant awareness or sensation that the heart is
exam • 12-lead ECG ... supraventricular or ventricular ... tachycardia • Ventricular ... Valvular disease (e.g ... Pheochromocytoma • Pulmonary
Intraoperative  Bradycardia - Guidelines for Crises in Anaesthesia
Bradycardia in theatre should not be treated as
rate, rhythm, perfusion ... Consider known drug causes ... (eg. remifentanil ... , digoxin etc) ... Management #Workup #Cardiology
Causes of ST Segment Elevation - Differential Diagnosis Framework

STEMI:
 • Upsloping convex STE: "Pardee's sign" +
Causes of ST Segment ... V5-6 • Left Ventricular ... QRS complex Pulmonary ... voltage Other Causes ... #ecg #ekg #electrocardiogram
Causes of Lactate Elevation, Lactic Acidosis - Differential Diagnosis

The most common causes of hyperlactatemia are usually:
by excretion (e.g ... its metabolism (e.g ... hypoxemia/Sepsis etc ... / hypoxemia -> focus ... output - Acute pulmonary
It is important to recognize Acute Decompensated Heart Failure (ADHF) as more than just simply a
with presence of pulmonary ... ECG is vital while ... the determined cause ... #differential #algorithm ... #treatment #table
This infographic provides a mnemonic tool called “WOBBLER” for assessing an ECG (electrocardiogram) in cases of
evaluate potential causes ... to focus on ... • L: Left Ventricular ... arrhythmogenic right ventricular ... #cardiology #differential