93 results
The JT Interval and Pro-Arrhythmic Risk
Measured from the J-point to the end of the T-wave, the
JTc=QTc-QRS When ... with QRS ≥120 ms ... Interval #JTInterval #QTc ... pathophysiology #ekg ... #ecg #cardiology
EKG Interpretation Cheat Sheet
1) Rate 
 - Regular - Count-Off 
 - Irregular - Count number
EKG Interpretation ... interval < 120 ms ... interval ≥ 120 ms ... Bazett formula: QTC ... @AmyChung #EKG
Winged Scapula on Physical Exam

Caused by injury to the long thoracic nerve

#Winged #Scapula #PhysicalExam #clinical #video
Physical Exam Caused ... PhysicalExam #clinical #video ... #neurology #msk
Digoxin effect on Electrocardiogram (EKG)
Digoxin is a cardiac glycoside from the foxglove leaf
Mechanism
 - Inhibits Na-K
Electrocardiogram (EKG ... nodal conduction Uses ... Digoxin effect on ECG ... waves - Short QT ... Electrocardiogram #EKG
Hyperkalemia shortens repolarization; changes in the T wave provide the earliest clues to hyperpotassemia.
 - At
repolarization causes ... in conduction causes ... prolonged PR and QT ... #Hyperkalemia #EKG ... #ECG #Changes #
Approach to ECGs
Check
 - Age, gender, name
 - 25mm/s; 10mm/mV
 - 1mm = 40ms; 0.1 mV
Rate
ICD/pacer - QTc ... DANGER - Short QT ... <300-360 ms: ↑ca ... #Approach #ECG ... #EKG #diagnosis
Achilles Tendon Rupture in Slow Motion

Caused by high speed knee extension with ankle dorsiflexion.

Dr. Boris Gojanovic
Slow Motion Caused ... SlowMotion #clinical #Video ... #PhysicalExam #msk
Causes of Anemia with Low Mean Corpuscular Volume (MCV) - Differential Diagnosis Algorithm
Decreased Heme Synthesis or
Causes of Anemia ... Iron Deficiency (Eg ... Causes: Chronic ... Other • e.g ... HgbE, HgbC, etc.
Causes of Constipation - Differential Diagnosis Framework
 • Motility: Diet, IBS-C, Colonic inertia, Pelvic floor disorders,
Causes of Constipation ... Calcium supplements, etc ... disease, Anal pain (e.g ... Differential #Diagnosis #Causes
Inflammatory Joint Pain - Differential Diagnosis Algorithm 
Monoarticular
 • Gout (Podagra, Tophi)
 • Pseudogout
 • Early
• Reactive (e.g ... Enteropathic (e.g ... Enteropathic (e.g ... Inflammatory #JointPain #MSK ... #Orthopedics #Causes