18 results
Digoxin effect on Electrocardiogram (EKG)
Digoxin is a cardiac glycoside from the foxglove leaf
Mechanism
 - Inhibits Na-K
(EKG) Digoxin ... foxglove leaf Mechanism ... Digoxin effect on ECG ... #EKG #Cardiology ... #Digitalis #ECG
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 ... cardionerds #EKG ... #EKG #Pulmonary ... diagnosis #cardiology #electrocardiogram
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
Hyponatremia - Differential Diagnosis by Mechanism
Decr Blood Pressure (“Decr Effective Circulating Volume”) 
 - Volume depletion
Differential Diagnosis by Mechanism ... - Cirrhosis Syndrome ... - Malignancy (e.g ... pathology (e.g. ... #Causes #Sodium
Pulmonary Embolism on ECG 

Mid 30's female with chest pain/dyspnea.  Triage EKG (no prior).
on ECG Mid ... Triage EKG (no prior ... leads (II, III, AVF ... #Embolism #ECG ... #EKG #Electrocardiogram
Approach to ECGs - Tachy/Bradyarrhythmias
Tachyarrhythmias - HR > 100
Wide
  (1) VT - DANGER
  (2)
(2) Sick Sinus Syndrome ... 200ms from longer pause ... bradyarrhythmia #ECG ... #EKG #diagnosis ... #electrocardiogram
Hypoxemic Respiratory Failure - Differential Diagnosis Framework
DECREASED INSPIRED OXYGEN
 • Low PATM Can decrease first part
High altitude (eg ... Intrapulmonary shunting (eg ... , pulmonary AVMs ... hepatopulmonary syndrome ... intracardiac shunting (eg
Shock - Differential Diagnosis by Classification
Reflex Syncope 
 - Vasovagal syncope
   • Prolonged standing
Medication side effect (e.g ... Subclavian steal syndrome ... Medication side effect (e.g ... Classification #Table ... #Causes
Treatment of Stable Narrow-Complex Tachycardia
Regular Rhythm:
 • Attempt vagal maneuvers
 • Give adenosine 6 milligrams IV
Control rate with AV ... Control rate (e.g ... Treat underlying cause ... Control rate (e.g ... Treat underlying cause
Causes of Fatigue - Differential Diagnosis Algorithm
Endocrine
 • Hypo/Hyperthyroidism
 • Diabetes
 • Pituitary Insufficiency
 • Adrenal
Causes of Fatigue ... Neoplastic / Hematologic ... Chronic Obstructive Pulmonary ... • Drug Abuse (e.g ... Chronic Fatigue Syndrome