17 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 ... in relation to ECG ... #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
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 ... #neurology
Approach to ECGs - Tachy/Bradyarrhythmias
Tachyarrhythmias - HR > 100
Wide
  (1) VT - DANGER
  (2)
Approach to ECGs ... (2) Sick Sinus Syndrome ... 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
AV block ... Medication side effect (e.g ... Subclavian steal syndrome ... Medication side effect (e.g ... Classification #Table
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