40 results
Hyperkalemia shortens repolarization; changes in the T wave provide the earliest clues to hyperpotassemia.
 - At
wave to produce classic ... sine wave (QRS-T fusion ... #Hyperkalemia #EKG ... #ECG #Changes # ... Progression #Table
Torsades de Pointes
• "Twisting of the pointes" 
• QRS axis swings from positive to negative direction
Originates from single focus ... interval Class ... quridine) Class ... Diagnosis #Cardiology #ECG ... #EKG
Main Lung Ultrasound differences between COVID-19 involvement and other conditions that may yield respiratory symptoms
 •
Consolidations, Pleural effusion ... Large pleural effusion ... localized pleural effusion ... areas #COVID19 #POCUS ... Ultrasound #Comparison #Table
Lung ultrasound pathology in a COVID-19 positive patient
 - Few B-lines (vertical white lines)
 - Confluent
Small Tiny Pleural Effusions ... viamdinh #COVID19 #POCUS ... #Coronavirus #Table
Electrical Alternans on POCUS Echocardiogram
You dissect the EKG and note low voltage tachycardia with a hint
Electrical Alternans on POCUS ... You dissect the EKG ... POCUS ECHO performed ... Electrical #Alternans #POCUS ... Echocardiogram #clinical #effusion
Recurrent Polymorphic VT/Torsades de Pointes - Management Algorithm
Drugs that prolong QT interval:
 • Class 1a (quinidine,
interval: • Class ... minutes • Adult infusion ... • Adult: 0.5-5 mcg ... Pediatric: 0.1-1 mcg ... 1.5 mg/kg • Infusion
Hypermagnesemia - Etiologies by Mechanism
Renal Failure 
Excessive Mg Administration 
 - Massive PO intake
Excessive IV Mg infusion ... (e.g. eclampsia ... High #Magnesium #Table
Junctional Rhythms - Junctional rhythm describes an abnormal heart rhythm resulting from impulses coming from a
coming from a locus ... Cardiology #MedStudent #EKG ... Junctional #Rhythms #Table
Constrictive Pericarditis on Echocardiogram
A 55-year-old female marathon runner presents to clinic w/ 6-months of worsening breathlessness
circumferential pericardial effusion ... There were classic ... Echocardiogram #a4c #pocus
Pancreatitis management checklist 
Evaluation to guide etiology & management 
 - RUQ ultrasound 
 - Calcium
septic shock (e.g ... resuscitation (e.g ... choledolithiasis (e.g ... pain-dose ketamine infusion ... limit them as able