20 results
EKG Interpretation Cheat Sheet
1) Rate 
 - Regular - Count-Off 
 - Irregular - Count number
Lose P • 3° Complete ... through) QRS Complex ... WolffParkinson-White syndrome ... Interpretation #ECG ... Electrocardiogram #cardiology
Hypermagnesemia - Etiologies by Mechanism
Renal Failure 
Excessive Mg Administration 
 - Massive PO intake
(e.g. eclampsia ... - Tumor lysis syndrome ... Hypermagnesemia #Differential ... Magnesium #Table #Causes ... #Management
Premature Ventricular Complexes (PVC's) - Summary Framework

Why PVCs?  Can be the first manifestation of cardiac
Inherited arrhythmia syndromes ... (e.g., long QT ... syndrome, ARVC) ... may not occur Differential ... #cardiology
Causes of ST Segment Elevation - Differential Diagnosis Framework

STEMI:
 • Upsloping convex STE: "Pardee's sign" +
Causes of ST Segment ... Elevation - Differential ... voltage Other Causes ... #diagnosis #cardiology ... #ecg #ekg #electrocardiogram
Arrhythmias - Differential Diagnosis Algorithm

Bradyarrhythmia (<60 bpm)
 • Sinus Bradycardia
 • Sick Sinus Syndrome
 • SA
Arrhythmias - Differential ... • Sick Sinus Syndrome ... setting of long QT ... tachyarrhythmias #Cardiology ... Diagnosis #Algorithm #causes
Approach to ECGs - Tachy/Bradyarrhythmias
Tachyarrhythmias - HR > 100
Wide
  (1) VT - DANGER
  (2)
Approach to ECGs ... (2) Sick Sinus Syndrome ... 200ms from longer pause ... electrocardiogram #cardiology ... #differential
Recurrent Polymorphic VT/Torsades de Pointes - Management Algorithm
Drugs that prolong QT interval:
 • Class 1a (quinidine,
Torsades de Pointes - Management ... Drugs that prolong QT ... Syndrome Electrolyte ... 1b (lidocaine)- case ... TorsadesdePointes #TDP #Management
Causes of Lactate Elevation, Lactic Acidosis - Differential Diagnosis

The most common causes of hyperlactatemia are usually:
Lactic Acidosis - Differential ... hypoxemia/Sepsis etc ... / hypoxemia -> focus ... the patient’s complete ... - Compartment syndrome
Hyponatremia - Diagnosis and Treatment
Hyponatremia is usually caused by the inability to excrete water normally.
Hyponatremia is usually caused ... Then, ask 3 questions ... hyponatremia is a complex ... demyelination syndrome ... Diagnosis #Treatment #management
STEMI Equivalents on ECG
 • Conventional STEMI - Elevation of ST segment at (or 40-60 ms
Equivalents on ECG ... point • De Winter syndrome ... discordant QRS complex ... #differential # ... cardiology #electrocardiogram