72 results
Atrial Fibrillation and WPW - Pre-Excitation AFib
In pre-excitation + a-fib with RVR:
 • All AV nodal
Pre-Excitation AFib ... nodal blocking meds ... #Fibrillation #AFib ... PreExcitation #clinical ... #ecg #ekg #electrocardiogram
Approach to ECGs - Tachy/Bradyarrhythmias
Tachyarrhythmias - HR > 100
Wide
  (1) VT - DANGER
  (2)
abberancy - N B Afib ... (2) Sick Sinus Syndrome ... bradyarrhythmia #ECG ... #EKG #diagnosis ... electrocardiogram #cardiology #differential
Causes of Thrombocytopenia - Differential Diagnosis Algorithm
 
Decreased Megakaryopoiesis
 • Aplastic Anemia
 • Toxic Damage (e.g.
Thrombocytopenia - Differential ... Toxic Damage (e.g ... Displacement (e.g ... Non-lmmune: • HELLP Syndrome ... Foreign Surface (e.g
Common causes of Acute Kidney Injury AKI - Differential Diagnosis
HEMODYNAMIC
 • Cardiac failure: Impaired forward flow,
vasoconstriction (e.g ... inhibitors, hepatorenal syndrome ... Vascular occlusion (e.g ... disease or drugs e.g ... AIN) • Drugs (e.g
Diagnostic Framework for Hemolysis - Intravascular vs Extravascular Causes
Intravascular Hemolysis:
 • Mechanical Trauma (Microangiopathic hemolytic anemia):
(usually IgG) (e.g ... (usually IgM) (e.g ... deficiencies (e.g ... Hemoglobinopathies (e.g ... Membrane defects (e.g
Causes of Developmental Delay - Differential Diagnosis Algorithm
Isolated Domain Delay - Reduced Respiratory Drive:
 • Cognitive
Developmental Delay - Differential ... Teratogenic Disorder (e.g ... Landau-Kleffner Syndrome ... • Mechanical (e.g ... Algorithm #Causes #Peds
Causes of Pediatric Constipation - Differential Diagnosis Algorithm
Dietary / Functional:
 • Insufficient Volume / Bulk
Neurologic:
 •
Constipation - Differential ... Volume / Bulk Neurologic ... Withholding • Painful (e.g ... Guillain-Barré Syndrome ... Algorithm #Causes #Peds
Raynaud Phenomenon Differential Diagnosis:

Rheumatologic

 - MCC systemic sclerosis, RA, SLE, Sjogren syndrome, Antisynthetase syndrome, MCTD
Heme

 -
Raynaud Phenomenon Differential ... Diagnosis: Rheumatologic ... Hypercoagulable state (eg ... Chemotherapy (eg ... #Differential
Alice in Wonderland Syndrome
What? Metamorphophsia - Distortions of the visual perceptions with changes in size (micro
in Wonderland Syndrome ... • Infection (e.g ... Brain lesions (e.g ... #diagnosis #neurology ... #differential
Toaster Electrocution Electrical Injury
Primary determination of injury extent = amount of CURRENT flowing through body.
VARIABLES: voltage,
EKG, labs, cardiac ... patients with normal ECG ... if symptomatic (e.g ... severe burns, ECG ... Abnormal ECG or