17 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
Cannon A waves during AVNRT on Physical Exam
In AVNRT, the atria and ventricles contract nearly simultaneously
A waves during AVNRT ... Physical Exam In AVNRT ... abrupt rise in RA pressure ... EKG of the same ... to diagnose the case
Causes of Peripheral Edema - Differential Diagnosis
Increased Hydrostatic Pressure
 • Volume Expansion: Kidney failure, Pregnancy, Medication
Causes of Peripheral ... Increased Hydrostatic Pressure ... Pregnancy, Medication side ... Decreased Oncotic Pressure ... EricsMedicalLectures/ #Causes
Vasopressors Table 
Rough properties by Target Receptor, Heart Rate/Inotropy, Systemic Vascular Resistance, Cardiac Output, Blood Pressure,
Vasopressors Table ... Output, Blood Pressure ... Resistance, Main Uses ... Dobutamine 2-20 mcg ... Vasopressors #Properties #Table
Shock - Differential Diagnosis by Classification
Reflex Syncope 
 - Vasovagal syncope
   • Prolonged standing
- Medication side ... effect (e.g. αblockers ... - Medication side ... Classification #Table ... #Causes
Hyponatremia - Differential Diagnosis by Mechanism
Decr Blood Pressure (“Decr Effective Circulating Volume”) 
 - Volume depletion
Mechanism Decr Blood Pressure ... - Malignancy (e.g ... CNS pathology (e.g ... Differential #Diagnosis #Table ... #Causes #Sodium
Shock - Differential Diagnosis Framework
MAP = CO x SVR
Hypovolemic (↓ Intravascular volume):
 • Hemorrhage, dehydration due
, narrow pulse pressure ... findings based on cause ... warm extremities, wide ... pulse pressure ... Differential #Diagnosis #table
Common Vasopressors and Inotropes
Norepinephrine (NE)
 - Indication: Distributive shock (1st line for septic shock), Cardiogenic shock
(mild ↑CO) - Side ... is not desired (e.g ... is not desired (e.g ... Bradyarrhythmias, Some cases ... Inotropes #comparison #table