11 results
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
Metformin Pharmacology Summary
Mechanisms of Action:
 • Suppresses gluconeogenesis by the liver
 • Increases insulin-mediated glucose utilization
Metformin Pharmacology ... Summary Mechanisms ... agent • Does not cause ... effects (e.g. diarrhea ... #Summary #DM2 #
GLP-1 Receptor Agonists - Pharmacology Summary
Mechanisms of Action: Stimulate glucose-dependent insulin release from the pancreas (GLP-1
Receptor Agonists - Pharmacology ... Summary Mechanisms ... effects (e.g. diarrhea ... not definitively cause ... #Summary #DM2 #
Vasopressors and Inotropes - Pharmacology Summary
Vasopressors
Phenylephrine (alpha-1)
 • Increases BP, SVR
 • Risk of reflex bradycardia
and Inotropes - Pharmacology ... Summary Vasopressors ... • Higher doses cause ... cAMP/cGMP • Causes ... #Summary #management
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
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 ... comparison #table #pharmacology
SGLT2 Inhibitors - Pharmacology Summary
Mechanisms of Action: Inhibits SGLT2 (sodium/glucose cotransporter 2) in the proximal tubule,
SGLT2 Inhibitors - Pharmacology ... Summary Mechanisms ... of use) Common Side ... GU infections (e.g ... #Summary #DM2 #
DPP-4 Inhibitors - Pharmacology Summary
Mechanisms of Action: Inhibits DPP-4 (dipeptidyl peptidase 4), which normally inactivates GLP-1
4 Inhibitors - Pharmacology ... Summary Mechanisms ... failure Common Side ... not definitively cause ... #Summary #DM2 #
Hydroxychloroquine is an antimalarial & DMARD (disease modifying antirheumatic drug). It is currently being discussed as
number of CNS side ... tinnitus) and may cause ... It also can cause ... Serious side effects ... Hydroxychloroquine #HCQ #Pharmacology
Stiff Person Syndrome (SPS) - Diagnosis and Management Summary

Epidemiology:
 • Prevalence: 1-2 cases per million -
and Management Summary ... Prevalence: 1-2 cases ... antagonist muscles) • Wide ... unit activity on EMG ... of diazepam • EMG