18 results
Tachycardia - Differential Diagnosis Table - Wide vs Narrow, Regular vs Irregular

Regular Rhythm - Narrow Complex
Differential Diagnosis Table ... • ST vs SVT (AVNRT ... whether AF is cause ... Differential #Diagnosis #Table ... Irregular #causes
Supraventricular Tachycardia EKG

Here’s a great ECG case of a 50-year-old lady who presented with palpitations

Her heart
case of a 50-year-old ... Is it wide or narrow ... computer thinks it’s wide ... @EM_RESUS #AVRT ... #ECG #Electrocardiogram
Treatment of Stable Narrow-Complex Tachycardia
Regular Rhythm:
 • Attempt vagal maneuvers
 • Give adenosine 6 milligrams IV
Treatment of Stable ... Converts - Probably AVnRT ... Control rate (e.g ... Treat underlying cause ... Treat underlying cause
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 #
Palpitations - Differential Diagnosis Framework

What?
• It is an unpleasant awareness or sensation that the heart is
exam • 12-lead ECG ... Valvular disease (e.g ... maneuvers: SVT-AVNRT ... bending over: AVNRT ... Red Flag Symptoms
Shock - Differential Diagnosis by Classification
Reflex Syncope 
 - Vasovagal syncope
   • Prolonged standing
- Medication side ... effect (e.g. αblockers ... - Medication side ... Classification #Table ... #Causes
Vasopressors Table 
Rough properties by Target Receptor, Heart Rate/Inotropy, Systemic Vascular Resistance, Cardiac Output, Blood Pressure,
Vasopressors Table ... Resistance, Main Uses ... Dobutamine 2-20 mcg ... Vasopressors #Properties #Table ... #Pharmacology #
GLP-1 Receptor Agonists - Pharmacology Summary
Mechanisms of Action: Stimulate glucose-dependent insulin release from the pancreas (GLP-1
Receptor Agonists - Pharmacology ... Ozempic), or daily tablet ... effects (e.g. diarrhea ... not definitively cause ... Receptor #Agonists #Pharmacology
Metformin Pharmacology Summary
Mechanisms of Action:
 • Suppresses gluconeogenesis by the liver
 • Increases insulin-mediated glucose utilization
Metformin Pharmacology ... agent • Does not cause ... disease Common Side ... effects (e.g. diarrhea ... #Metformin #Pharmacology
DPP-4 Inhibitors - Pharmacology Summary
Mechanisms of Action: Inhibits DPP-4 (dipeptidyl peptidase 4), which normally inactivates GLP-1
4 Inhibitors - Pharmacology ... Januvia) - Once/day tablet ... failure Common Side ... not definitively cause ... DPP4 #Inhibitors #Pharmacology