27 results
Hypermagnesemia - Etiologies by Mechanism
Renal Failure 
Excessive Mg Administration 
 - Massive PO intake
Etiologies by Mechanism ... IV Mg infusion (e.g ... - Tumor lysis syndrome ... High #Magnesium #Table ... #Causes #Management
Digoxin effect on Electrocardiogram (EKG)
Digoxin is a cardiac glycoside from the foxglove leaf
Mechanism
 - Inhibits Na-K
Digoxin effect on Electrocardiogram ... foxglove leaf Mechanism ... - Decreases AV ... nodal conduction Uses ... Digoxin #effect #Electrocardiogram
Hypomagnesemia - Etiologies by Mechanism

Decreased GI Uptake 
 - Poor dietary intake (particularly common in alcoholics)
Etiologies by Mechanism ... Renal Loses - Medications ... Miscellaneous Mechanisms ... Low #Magnesium #Table ... Classification #Causes
EKG in Acute Pulmonary Embolism
The sensitivity and specificity for EKG findings in acute PE are low.
EKG
EKG in Acute Pulmonary ... evaluating for other causes ... Changes • STE in aVR ... #EKG #Pulmonary ... diagnosis #cardiology #electrocardiogram
Hyponatremia - Differential Diagnosis by Mechanism
Decr Blood Pressure (“Decr Effective Circulating Volume”) 
 - Volume depletion
Differential Diagnosis by Mechanism ... - Cirrhosis Syndrome ... hemorrhage) - Pulmonary ... Differential #Diagnosis #Table ... #Causes #Sodium
Shock - Differential Diagnosis by Classification
Reflex Syncope 
 - Vasovagal syncope
   • Prolonged standing
AV block ... depletion - Medication ... Subclavian steal syndrome ... Classification #Table ... #Causes
Hypoxemic Respiratory Failure - Differential Diagnosis Framework
DECREASED INSPIRED OXYGEN
 • Low PATM Can decrease first part
High altitude (eg ... obesity-hypoventilation syndrome ... lung diseases, pulmonary ... , pulmonary AVMs ... hepatopulmonary syndrome
Causes of Peripheral Edema - Differential Diagnosis
Increased Hydrostatic Pressure
 • Volume Expansion: Kidney failure, Pregnancy, Medication
Causes of Peripheral ... failure, Pregnancy, Medication ... Heart failure, Pulmonary ... Cirrhosis, Nephrotic syndrome ... EricsMedicalLectures/ #Causes
Pulmonary Embolism on ECG 

Mid 30's female with chest pain/dyspnea.  Triage EKG (no prior).
Pulmonary Embolism ... Triage EKG (no prior ... leads (II, III, AVF ... seen in 34% of cases ... #EKG #Electrocardiogram
Treatment of Stable Narrow-Complex Tachycardia
Regular Rhythm:
 • Attempt vagal maneuvers
 • Give adenosine 6 milligrams IV
Control rate with AV ... with caution in pulmonary ... Treat underlying cause ... with caution in pulmonary ... Treat underlying cause