20 results
Digoxin effect on Electrocardiogram (EKG)
Digoxin is a cardiac glycoside from the foxglove leaf
Mechanism
 - Inhibits Na-K
Electrocardiogram (EKG ... foxglove leaf Mechanism ... on ECG (at therapeutic ... Electrocardiogram #EKG ... Cardiology #Digitalis #ECG
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
Shock - Differential Diagnosis by Classification
Reflex Syncope 
 - Vasovagal syncope
   • Prolonged standing
(e.g. αblockers ... Subclavian steal syndrome ... (e.g. sedation) ... Classification #Table ... #Causes
Vasopressors Table 
Rough properties by Target Receptor, Heart Rate/Inotropy, Systemic Vascular Resistance, Cardiac Output, Blood Pressure,
Vasopressors Table ... Blood Pressure, Pulmonary ... Resistance, Main Uses ... Vasopressors #Properties #Table ... #Pharmacology #Effect
Common Vasopressors and Inotropes
Norepinephrine (NE)
 - Indication: Distributive shock (1st line for septic shock), Cardiogenic shock
is not desired (e.g ... is not desired (e.g ... Bradyarrhythmias, Some cases ... Inotropes #comparison #table ... #pharmacology #criticalcare
Causes of Peripheral Edema - Differential Diagnosis
Increased Hydrostatic Pressure
 • Volume Expansion: Kidney failure, Pregnancy, Medication
Medication side effect ... (e.g. prednisone ... Heart failure, Pulmonary ... Cirrhosis, Nephrotic syndrome ... • Filariasis (e.g
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
GLP-1 Receptor Agonists - Pharmacology Summary
Mechanisms of Action: Stimulate glucose-dependent insulin release from the pancreas (GLP-1
Pharmacology Summary Mechanisms ... Ozempic), or daily tablet ... (e.g. diarrhea, ... not definitively cause ... /effect) • May
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