8 results
Stimulated
SA node
AV node -
Un-stimulated
#PQ
(mV) 0
ECG (lead II)
QRS
#QRS
#SA node
#AV node
#Bundle of His
Bundle branches
#Purkinje fibers
#QRS
#ST
Un-stimulated #PQ ... (mV) 0 ECG (lead ... node #AV node #Bundle ... of His Bundle
Wolff–Parkinson–White syndrome (WPW) is one of several disorders of the electrical system of the heart that
(known as the bundle ... ventricles to contract ... Cardiology #MedStudent #EKG
Algorithm for the Evaluation of Regular, Wide-Complex Tachycardia
1. aVR: Is the initial deflection in aVR positive?
Algorithm for the ... Bundle-branch morphology ... Interpretation #ECG ... #EKG #Electrocardiogram
How do you work up an ischemic CVA?
A) Initial Evaluation
 • ABCs
 • IV access, monitor
NIHSS) • Non-contrast ... MRI brain w/o contrast ... NCCT vs MRI w/o contrast ... Cardioembolic: • ECG ... suspicion) • +/- bubble
Hyperkalemia - Management Algorithm
 • IV calcium
 • IV insulin and glucose and/or salbutamolt
 • Consider
Hyperkalemia - Management Algorithm ... potassium and ECG ... fascicular blocks. bundle ... diagnosis #management #algorithm
Approach to the Diagnosis of Hyperthyroidism - Differential Diagnosis and Workup Algorithm

 • Secondary Hyperthyroidism (↑↔TSH,
Diagnosis and Workup Algorithm ... Thyroiditis, Iodine (e.g ... . contrast), Struma ... Differential #Diagnosis #Algorithm
Malignant Adrenal Mass - Differential Diagnosis Algorithm
Suggestive of Malignancy: Inhomogenous Density, Delay in CT Contrast Washout
Differential Diagnosis Algorithm ... Density, Delay in CT Contrast ... Releasing Carcinoma (e.g ... Other Source (e.g ... Differential #Diagnosis #Algorithm
Multifocal Atrial Arrhythmias on ECG
Multifocal atrial rhythm & Multifocal atrial tachycardia
ECG Recognition:
 • Variable P wave
Arrhythmias on ECG ... atrial tachycardia ECG ... not gradual in contrast ... because one of the bundle ... cardiology #diagnosis #ekg