14 results
Modified Sgarbossa Criteria - Diagnostic Checklist for diagnosing MI in LBBB or Pacemaker
1) Identify LBBB or
1) Identify LBBB ... beat conducted 2) ... QRS main vector 3) ... Checklist #EKG #electrocardiogram ... #ecg #cardiology
What are the original Sgarbossa Criteria?
- Concordant ST-segment elevation ≥ 1 mm in any lead =
lead V1 – V3 = 3 ... in any lead = 2 ... points #Diagnosis ... #Cardiology #Original ... #LBBB #RebelEM
Algorithm for the Evaluation of Regular, Wide-Complex Tachycardia
1. aVR: Is the initial deflection in aVR positive?
Algorithm for the ... Wide-Complex Tachycardia 1. ... yes, then VT. 2. ... yes, then VT. 3. ... #Diagnosis #Cardiology
Approach to ECGs
Check
 - Age, gender, name
 - 25mm/s; 10mm/mV
 - 1mm = 40ms; 0.1 mV
Rate
x 10 Rhythm (1) ... Ml, WPW, LVH, LBBB ... Approach #ECG #EKG #diagnosis ... #electrocardiogram ... #cardiology #interpretation
Hypokalemia Differential Algorithm
Acidosis
 - RTA
 - Diarrhea
pH Normal 
 1. Decreased Mg 
 2. Intracellular Shift
Hypokalemia Differential Algorithm ... discontinued) 3. ... secreting tumor 3. ... #Diagnosis #Causes ... #Workup #Nephrology
Hypernatremia Differential Diagnosis Algorithm - Diabetes Insipidus Workup

Step #1 - Consider the history
Step #2 - Assess
Insipidus Workup ... Step #1 - Consider ... history Step #2 ... Uglucose Step #3 ... #Sodium #nephrology
VT versus SVT with Aberration - Interpretation Cheat Sheet

Features favouring VT
● Absence of typical RBBB or
or LBBB morphology ... Brugada algorithm ... 1. ... in any V lead 3. ... #Cardiology
Causes of Hypokalemia - Differential Diagnosis Algorithm
Once pseudohypokalemia is ruled out, causes of hypokalemia can be
Algorithm Once ... discrete buckets: 1. ... (low intake) 2. ... transcellular shift) 3. ... #workup #nephrology
Approach to ECGs - Tachy/Bradyarrhythmias
Tachyarrhythmias - HR > 100
Wide
  (1) VT - DANGER
  (2)
Sinus Tachy w/ BBB ... 1 , 3:2, 4:3, etc ... bradyarrhythmia #ECG #EKG #diagnosis ... #electrocardiogram ... #cardiology #differential
Hypernatremia Diagnosis and Workup

Step 1 . Repeat the sodium concentration.
Step 2.  Check plasma osmolality.
NORMAL PLASMA
1 . ... Step 2. ... administration Step 3. ... #Workup #Algorithm ... #Nephrology