126 results
Junctional Rhythms - Junctional rhythm describes an abnormal heart rhythm resulting from impulses coming from a
coming from a locus ... atrioventricular node ... Cardiology #MedStudent #EKG ... Junctional #Rhythms #Table
Lymph Node on POCUS 

Lymph node architecture should consist of a fatty, echogenic center that is
Lymph Node on POCUS ... Lymph node ... Most large (>5mm) nodes ... emboardbombs #LymphNode ... #POCUS #clinical
Hyperkalemia shortens repolarization; changes in the T wave provide the earliest clues to hyperpotassemia.
 - At
repolarization causes ... in conduction causes ... #Hyperkalemia #EKG ... #ECG #Changes # ... Progression #Table
Reflex Testing - Causes of Hyporeflexia and Hyperreflexia
Focal Hyporeflexia: 
 • Radiculopathy, Mononeuropathy, Polyneuropathy, Acute stroke,
Reflex Testing - Causes ... Deep coma (any cause ... polyneuropathy (e.g ... Hyperreflexia #Testing #Causes ... differential #diagnosis #table
Pediatric SVT - Management Algorithm
Identify SVT:
 • HR not variable
 • Abrupt rate changes
 • Infants:
: HR > 180bpm ECG ... Monitors, Pads AP Stable ... Don't cover mouth/nose ... 0.2 mg/kg Unstable ... 2 J/kg - Dr.
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 ... and note low voltage ... POCUS ECHO performed ... Electrical #Alternans #POCUS
Causes of Relative Bradycardia - Note the propensity for intracellular organisms.
Infectious: 
Legionella, Psittacosis, Q fever, Typhoid
Causes of Relative ... Bradycardia - Note ... #bradycardia #Causes ... infectiousdiseases #table
Causes of Peripheral Edema - Differential Diagnosis
Increased Hydrostatic Pressure
 • Volume Expansion: Kidney failure, Pregnancy, Medication
Causes of Peripheral ... Medication side effect (e.g ... Malignancy: Lymph node ... • Filariasis (e.g ... EricsMedicalLectures/ #Causes
Approach to ECGs - Tachy/Bradyarrhythmias
Tachyarrhythmias - HR > 100
Wide
  (1) VT - DANGER
  (2)
tachy not from SA node ... brady) (3) SA node ... beats (4) SA node ... 200ms from longer pause ... #EKG #diagnosis
Type A Dissection on POCUS (PLAX view)

39 yo M w CP drops his BP in ED.
Dissection on POCUS ... Non-ischemic EKG ... Note large aortic ... Clinical #Ultrasound #POCUS