529 results
Hypokalaemia:

The gradual fall in serum potassium level is reflected electrocardiographically by the following features:

1. Gradual decrease
disappearance of T wave ... of prominent U waves ... , best seen in leads ... Cardiology #ECG #EKG #UWaves
EKG Interpretation Cheat Sheet
1) Rate 
 - Regular - Count-Off 
 - Irregular - Count number
• Inverted P Waves ... interval < 120 ms ... interval ≥ 120 ms ... : > 40 ms ... Amy Chung, MD, MSc
Hyperkalemia shortens repolarization; changes in the T wave provide the earliest clues to hyperpotassemia.
 - At
changes in the T wave ... causes peaked T waves ... (best seen in leads ... to 7.0 mEq/L, P waves ... merges with T wave
Hyperkalemia - Management Algorithm
 • IV calcium
 • IV insulin and glucose and/or salbutamolt
 • Consider
Tall, "peaked" T waves ... with narrow base, best ... mmol/l - Peaked T waves ... amplitude of P waves ... - Absence of T wave
Knee Examination
Right Knee - Examination maneuvers include the Lachman (ACL), anterior drawer (ACL), Lateral pivot shift,
meniscal integrity) tests ... McMurray #Drawer #Test ... #msk
Chronic Shoulder Pain - Differential Diagnosis Algorithm
4 tests for the AC joint:
1. Direct palpation
2. Cross-arm shoulder
Diagnosis Algorithm 4 tests ... after cross-arm test ... Diagnosis #Algorithm #MSK
Clarke's Test (Patellar Grind Test)

Indicates Patellofemoral dysfunction.
 - Patient with knee in extension. Push posterior on
Clarke's Test (Patellar ... Grind Test) ... of patella then ask ... _ #Clarkes #Test ... Patellofemoral #msk
Anterior Cruciate Ligament Injury seen with positive Anterior Drawer Test

#Anterior #Cruciate #Ligament #ACL #Injury #Drawer #Test
Anterior Drawer Test ... Injury #Drawer #Test ... clinical #video #msk
STEMI Equivalents on ECG
 • Conventional STEMI - Elevation of ST segment at (or 40-60 ms
segment at (or 40-60 ms ... symmetrical T-waves ... • Hyperacute T wave ... the preceding S-wave ... ST-segment (T wave
Normal (Negative) Lachman Test for ACL Injury

Andrew Dold, MD @dr.dold.md

#Lachmans #test #ACL #Knee #Injury #Normal #Negative
Negative) Lachman Test ... #Lachmans #test ... cruciate #ligament #msk