1521 results
Checklist Approach to Hypokalemia

Consider risk factors for arrhythmia:
 - EKG changes (especially QT prolongation)
 - Digoxin
arrhythmia: - EKG ... their validity (e.g ... clinical context & EKG ... depend on renal function ... depend on renal function
Non-phasic sinus arrhythmia - ECG Diagnosis
• The P wave and PR interval are normal
• The PP
sinus arrhythmia - ECG ... physiological function ... cardiology #diagnosis #ekg ... #ecg #electrocardiogram
Endocarditis checklist
Initial evaluation
 • Peripheral blood cultures (three sets at three different sites)
 • Additional culture
if suspected (e.g ... block (+/- daily EKG ... worsening valve function ... of infection (e.g
Approach to ECGs - Tachy/Bradyarrhythmias
Tachyarrhythmias - HR > 100
Wide
  (1) VT - DANGER
  (2)
SVTs - atrial/junctional ... lower AV cells can function ... bradyarrhythmia #ECG ... #EKG #diagnosis
The 4 Variants of Sinus Arrhythmia
Phasic Sinus Arrhythmia:
 • The rate increases with respiration and decreases
physiological function ... cardiology #diagnosis #ekg ... #ecg #electrocardiogram
Chest pain after AFib ablation. What’s the most likely diagnosis?

...

You are all correct: the patient had
showing normal biV function ... Clinical #Cardiology #EKG ... #ECG #Pericarditis
Hypothermia on EKG
 • J (Osborn) waves
 • PR, QRS, and QT prolongation
 • Various bradyarrythmias
Hypothermia on EKG ... bradyarrythmias (e.g ... ventricular response, junctional ... osborn #waves #EKG ... #ECG #electrocardiogram
Bradycardias Comparison Table
 - SINUS BRADYCARDIA 
 - JUNCTIONAL BRADYCARDIA 
 - 1st DEGREE AV BLOCK
BRADYCARDIA - JUNCTIONAL ... Diagnosis #Cardiology #EKG ... #ECG #Bradycardia
Textbook progression Of EKG changes in Hyperkalemia. In reality, EKGs are far 
more variable and unpredictable.
progression Of EKG ... In reality, EKGs ... #Progression #EKG ... #ECG #Electrocardiogram
Preoperative Risk Evaluation

Major Pre-Op Questions:
1. Does the patient have any modifiable risk factors that could be
Assess functional ... Functional status ... indicated • EKG ... Obtain EKG if: