127 results
Hypercalcemia - EKG Findings
Causes of Hypercalcemia 
• Malignancy 
• Milk-alkali syndrome 
• Vitamin D toxicity 
•
Hypercalcemia - ... of Hypercalcemia ... • Milk-alkali syndrome ... Thiazide diuretics #Hypercalcemia ... #EKG #ECG #Electrocardiogram
Causes of Hypokalemia - Differential Diagnosis Algorithm
Increased Loss 
 - Increased GI Loss
 - Increased Urinary
Causes of Hypokalemia ... Transcellular Shift ... - Refeeding Syndrome ... #Hypokalemia ... potassium #low #pathophysiology
Hypokalemia - Differential Diagnosis Algorithm

Transcellular Shift:
 • Alkalosis
 • ↑ beta-2 adrenergic simulation 
 • Erythropoiesis
Hypokalemia - Differential ... Transcellular Shift ... • Refeeding syndrome ... Transcellular shifts ... MatthewHoMD #Hypokalemia
Pathophysiology of Tumor Lysis Syndrome (TLS)
Tumor Cell Lysis
-> Release of DNA
 • Purines -> Hypoxanthine /
Pathophysiology ... of Tumor Lysis Syndrome ... -> Allantoin (High ... Hypocalcemia • Hyperkalemia ... #TLS #Pathophysiology
Mechanisms of Drug-Induced Hyperkalemia 
 • Direct renin inhibitor (Aliskiren)
 • Renin release inhibition (NSAIDs, Beta-Blockers)
of Drug-Induced Hyperkalemia ... • Increased EC ... shift of K (Succinylcholine ... MunerMohamed1 #hyperkalemia ... differential #diagnosis #pathophysiology
Differential Diagnosis for ST Segment Elevations
 - ACUTE STEMI 
 - PULMONARY EMBOLISM 
 - LBBB
BRUGADA SIGN (SYNDROME ... PERICARDITIS - HYPERKALEMIA ... REPOLARIZATION - HYPERCALCEMIA ... ANEURYSM - LVH (HIGH
Workup of Hypercalcemia - Differential Diagnosis Algorithm
High or Normal PTH:
 • Hyperparathyroidism: Parathyroid adenoma, Parathyroid hyperplasia,
Diagnosis Algorithm High ... Low PTH: • High ... disease, Milk Alkali Syndrome ... disease, Viral Syndromes ... - High 25
Emergency Management of Hyperkalemia in Adults
Assess Patient - Airway Breathing Circulation Disability Exposure (ABCDE) Approach
 •
Management of Hyperkalemia ... clinical scenario, ECG ... Gluconate IV Shift ... Consider cause of hyperkalaemia ... recurrence #Hyperkalemia
BRASH Syndrome

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

Typical ECG
BRASH Syndrome ... S - Shock H - Hyperkalemia ... Typical ECG ... DrEricStrong #BRASH #Syndrome ... diagnosis #management #pathophysiology
Oxygen-Hemoglobin Dissociation Curve

Left Shift (↓ O2 unloading to tissue), Left = Lower:
 • ↓ H+ (↑
Curve Left Shift ... Temperature Right Shift ... ↑ 2,3-BPG • High ... Dissociation #Curve #pathophysiology