24 results
Hypercalcemia - EKG Findings
Causes of Hypercalcemia 
• Malignancy 
• Milk-alkali syndrome 
• Vitamin D toxicity 
•
Findings Causes ... • Milk-alkali syndrome ... #ECG #Electrocardiogram ... #Differential # ... Causes #Diagnosis
Hypermagnesemia - Etiologies by Mechanism
Renal Failure 
Excessive Mg Administration 
 - Massive PO intake
- Tumor lysis syndrome ... Hypermagnesemia #Differential ... #Diagnosis #High ... #Magnesium #Table ... #Causes #Management
Hypomagnesemia - Etiologies by Mechanism

Decreased GI Uptake 
 - Poor dietary intake (particularly common in alcoholics)
Etiologies by Mechanism ... Hypomagnesemia #Differential ... #Diagnosis #Low ... #Magnesium #Table ... Classification #Causes
Hyponatremia - Differential Diagnosis by Mechanism
Decr Blood Pressure (“Decr Effective Circulating Volume”) 
 - Volume depletion
Hyponatremia - Differential ... Diagnosis by Mechanism ... - Cirrhosis Syndrome ... #Diagnosis #Table ... #Causes #Sodium
Deep T Wave Inversions - Differential
Normal variants 
  A. Juvenile T wave pattern
Wave Inversions - Differential ... cardiomyopathy (Yamaguchi syndrome ... wave inversion syndrome ... #Diagnosis #Causes ... #EKG #Electrocardiogram
Reflex Testing - Causes of Hyporeflexia and Hyperreflexia
Focal Hyporeflexia: 
 • Radiculopathy, Mononeuropathy, Polyneuropathy, Acute stroke,
polyneuropathy (e.g ... Guillain-Barré syndrome ... Hyperthyroidism, Serotonin syndrome ... #differential # ... diagnosis #table
Shock - Differential Diagnosis by Classification
Reflex Syncope 
 - Vasovagal syncope
   • Prolonged standing
Shock - Differential ... Diagnosis by Classification ... • AV block ... Subclavian steal syndrome ... #Table #Causes
Hypoxemic Respiratory Failure - Differential Diagnosis Framework
DECREASED INSPIRED OXYGEN
 • Low PATM Can decrease first part
Respiratory Failure - Differential ... Diagnosis Framework ... , pulmonary AVMs ... hepatopulmonary syndrome ... #Diagnosis #pulmonary
Approach to ECGs - Tachy/Bradyarrhythmias
Tachyarrhythmias - HR > 100
Wide
  (1) VT - DANGER
  (2)
(2) Sick Sinus Syndrome ... 200ms from longer pause ... #EKG #diagnosis ... #electrocardiogram ... #cardiology #differential
Approach to ECGs - Syncope Syndromes
Electrolytes
 • ↑K - brady, peak T, wide QRS, no P,
assoc with 1K, AV ... #ECG #EKG #Checklist ... #diagnosis #cardiology ... #electrocardiogram ... #differential