242 results
Hypermagnesemia - Etiologies by Mechanism
Renal Failure 
Excessive Mg Administration 
 - Massive PO intake
Etiologies by Mechanism ... IV Mg infusion (e.g ... Miscellaneous Mechanisms ... - Tumor lysis syndrome ... Magnesium #Table #Causes
Hypercalcemia - EKG Findings
Causes of Hypercalcemia 
• Malignancy 
• Milk-alkali syndrome 
• Vitamin D toxicity 
•
Hypercalcemia - EKG ... Findings Causes ... • Milk-alkali syndrome ... Hypercalcemia #EKG ... #Differential #Causes
Rotator Cuff Syndrome - SITS
Supraspinatus, Infraspinatus, Teres minor, and Subscapularis.
Causes: Calcific supraspinatus tendinitis 
Signs: painful abduction
Rotator Cuff Syndrome ... Causes: Calcific ... painful abduction of arm ... Rotator #Cuff #Syndrome ... diagnosis #sports #MSK
Digoxin effect on Electrocardiogram (EKG)
Digoxin is a cardiac glycoside from the foxglove leaf
Mechanism
 - Inhibits Na-K
Electrocardiogram (EKG ... foxglove leaf Mechanism ... - Decreases AV ... nodal conduction Uses ... Electrocardiogram #EKG
Hypomagnesemia - Etiologies by Mechanism

Decreased GI Uptake 
 - Poor dietary intake (particularly common in alcoholics)
Etiologies by Mechanism ... - Gitelman syndrome ... Miscellaneous Mechanisms ... - Hungry bones syndrome ... Classification #Causes
EKG Interpretation Cheat Sheet
1) Rate 
 - Regular - Count-Off 
 - Irregular - Count number
EKG Interpretation ... interval < 120 ms ... interval ≥ 120 ms ... WolffParkinson-White syndrome ... @AmyChung #EKG
Causes of Erythema Nodosum - Mnemonic

NO cause found in 60% of cases
Drugs (antibiotics e.g., sulfonamides, amoxicillin)
Oral
Causes of Erythema ... Mnemonic NO cause ... Drugs (antibiotics e.g ... Sarcoidosis or Lofgren's syndrome ... Nodosum #Mnemonic #Causes
There are two patterns of T-wave abnormality in Wellens’ syndrome:
-Type A = Biphasic, with initial positivity
abnormality in Wellens’ syndrome ... negativity (25% of cases ... inverted (75% of cases ... #EKG #Wellens # ... Syndrome #TypeA
Upper and Lower Causes of GI Bleed
Upper:
 • Esophagus: Tear (Mallory Weiss, Boerhaave syndrome), Variceal, Esophagitis,
Upper and Lower Causes ... Weiss, Boerhaave syndrome ... Variceal, Cancer, AVM ... PUD, Duodenitis, AVM ... differential #diagnosis #Causes
Vereckie Algorithm - Lead aVR - Ventricular Tachycardia - Telemetry Diagnosis
WCT is VT IF:
 • Initial
Algorithm - Lead aVR ... or q wave > 40 ms ... Tachycardia #WCT #VTach #avr ... diagnosis #cardiology #ekg ... #ecg #telemetry