18 results
T-Wave ECG changes in Hyperkalemia vs Hyperacute MI
 - Hyperkalemia: Increased height, without increase area
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T-Wave ECG changes ... Ferdous @fazalabul #TWaves ... #ECG #Hyperkalemia ... clinical #cardiology #ekg ... electrocardiogram #comparison
Hyperkalemia shortens repolarization; changes in the T wave provide the earliest clues to hyperpotassemia.
 - At
Hyperkalemia shortens ... repolarization; changes ... repolarization causes ... peaked T waves ... #EKG #ECG #Changes
Hyperkalemia - Management Algorithm
 • IV calcium
 • IV insulin and glucose and/or salbutamolt
 • Consider
Hyperkalemia - Management ... potassium and ECG ... changes • 5.5 ... amplitude of P waves ... - Absence of T wave
BRASH Syndrome

B - Bradycardia
R - Renal failure
A - AV nodal blockade
S - Shock
H - Hyperkalemia

Typical ECG
Typical ECG ... HR 30, peaked T waves ... flattening of P waves ... • If on a Ca2+ channel ... #diagnosis #management
Causes of ST Segment Elevation - Differential Diagnosis Framework

STEMI:
 • Upsloping convex STE: "Pardee's sign" +
Causes of ST Segment ... • Hypercalcemia ... dissection • Sodium-channel ... diagnosis #cardiology #ecg ... #ekg #electrocardiogram
Approach to ECGs - Tachy/Bradyarrhythmias
Tachyarrhythmias - HR > 100
Wide
  (1) VT - DANGER
  (2)
3 different P waves ... (2) Sick Sinus Syndrome ... pause 2º - Mobitz ... bradyarrhythmia #ECG ... #EKG #diagnosis
Emergent Hyperkalemia Treatment Algorithm
ECG changes, weakness, K+ >6.5 Or renal insufficiency with K >5.5 with cellular
Treatment Algorithm ECG ... injury, etc) ECG ... changes? ... (peaked T waves, ... Treatment #Algorithm #Management
Premature Ventricular Complexes (PVC's) - Summary Framework

Why PVCs?  Can be the first manifestation of cardiac
(e.g., long QT ... heart disease Causes ... 300 = NSVT EKG ... No associated P-wave ... , and the T-wave
Leukostasis vs Tumor Lysis Syndrome
Leukostasis:
 • Pathophysiology: Large, immature blasts and high WBC count cause hyperviscosity
high WBC count cause ... tinnitus, visual changes ... hydration - Hyperkalemia ... unless worrisome EKG ... TLS #diagnosis #management
Hyperkalemia - Diagnosis and Management - GrepMed Handbook

S/Sx: Most pts asymptomatic. Weakness, cramping, nausea, paresthesias, palpitations,
and Management ... heparinized tube) • ECG ... bradycardia → sine wave ... only if no clear cause ... K-Binding Resins - Exchanges