44 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
Malignant Adrenal Mass - Differential Diagnosis Algorithm
Suggestive of Malignancy: Inhomogenous Density, Delay in CT Contrast Washout
Differential Diagnosis Algorithm ... Density, Delay in CT Contrast ... Hirsutism • High ... Other Source (e.g ... Differential #Diagnosis #Algorithm
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
Causes of Hypocalcemia - Differential Diagnosis Algorithm
 • Extravascular: Pancreatitis, surgery, acute phosphate intake and renal
Differential Diagnosis Algorithm ... Hyperphosphatemia, High ... • Gadolinium contrast ... Differential #Diagnosis #Algorithm ... #Causes #algorithm
How do you work up an ischemic CVA?
A) Initial Evaluation
 • ABCs
 • IV access, monitor
NIHSS) • Non-contrast ... MRI brain w/o contrast ... Cardioembolic: • ECG ... • TTE +/- TEE (high ... suspicion) • +/- bubble
Hyperkalemia - Management Algorithm
 • IV calcium
 • IV insulin and glucose and/or salbutamolt
 • Consider
Hyperkalemia - Management Algorithm ... potassium and ECG ... fascicular blocks. bundle ... hyperkalemia #potassium #high ... diagnosis #management #algorithm
Approach to the Diagnosis of Hyperthyroidism - Differential Diagnosis and Workup Algorithm

 • Secondary Hyperthyroidism (↑↔TSH,
Diagnosis and Workup Algorithm ... Iodine Scan - High ... Thyroiditis, Iodine (e.g ... . contrast), Struma ... Differential #Diagnosis #Algorithm
Polyuria - Differential Diagnosis Algorithm
Polyuria = >3L Urine output / 24 hours
Urine osmolality = 2 (Na
Differential Diagnosis Algorithm ... glucose mg/dL]/18 HIGH ... Hyperglycemia, High ... solute intake (e.g ... Differential #Diagnosis #Algorithm
Breast Discharge - Differential Diagnosis Algorithm
High Prolactin + Normal TSH
 • Microprolactinoma
 • Steroid Hormone Intake
Differential Diagnosis Algorithm ... High Prolactin ... Failure • Stress (e.g ... Prolactin + High ... Differential #Diagnosis #Algorithm